Alright, let's work through 54231015 times 62004347 step by step
54231015 × 62004347 = 62004347 × (54231015)
+ 62004347 × 5 which equals 310021735
+ 62004347 × 10 that is equal 620043470
+ 62004347 × 000 yielding 0
+ 62004347 × 1000 giving us 62004347000
+ 62004347 × 30000 that results in 1860130410000
+ 62004347 × 200000 which equals 12400869400000
+ 62004347 × 4000000 which equals 248017388000000
+ 62004347 × 50000000 yielding 3100217350000000

= 3362558672222205
