We're going to solve 4243 multiplied by 9979
4243 × 9979 = 9979 × (4243)
+ 9979 × 3 what gives us 29937
+ 9979 × 40 resulting in 399160
+ 9979 × 200 that is equal 1995800
+ 9979 × 4000 that results in 39916000

= 42340897
