666398 ÷ 59 
We want to divide 666398 by 59.

Advancing to step 1:
59 goes into 6 0 times with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 59

Step 2:
59 goes into 66 1 times with a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 59 from 66, we get 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 59

Let's proceed to step 3:
When dividing 76 by 59, we get 1 with a remainder of 17.
Use 1 as the next digit of our solution. 
Result so far: 11.0
Deduct 59 from 76 and we're left with 17.
Take the next digit (3) from the dividend and append it to 17, then repeat: 173 / 59

Moving on to step 4:
59 goes into 173 2 times with a remainder of 55.
Put 2 as the next digit of the answer. 
Result so far: 112.0
If we take 118 away from 173, we end up with 55.
Append the next digit (9) from the dividend to 55 and continue with: 559 / 59

Advancing to step 5:
59 goes into 559 9 times with a remainder of 28.
Use 9 as the next digit of our solution. 
Result so far: 1129.0
Subtract 531 from 559 to get 28.
Append the next digit (8) from the dividend to 28 and continue with: 288 / 59

Going ahead to step 6:
The number 59 fits into 288 4 times, leaving a remainder of 52.
Put 4 as the next digit of the answer. 
Result so far: 11294.0
Subtract 236 from 288 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Advancing to step 7:
59 goes into 520 8 times with a remainder of 48.
Write down 8 as next digit of the result. 
Result so far: 11294.8
If we subtract 472 from 520, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 8:
If we divide 480 by 59, we get 8 and a remainder of 8.
The next digit of our result is 8. 
Result so far: 11294.88
Subtracting 472 from 480 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

The final result is 11294.88 with a remainder of 0.008.