Alright, let's work through 39742251 times 31409602 step by step
39742251 × 31409602 = 31409602 × (39742251)
+ 31409602 × 1 that results in 31409602
+ 31409602 × 50 yielding 1570480100
+ 31409602 × 200 what gives us 6281920400
+ 31409602 × 2000 what gives us 62819204000
+ 31409602 × 40000 that results in 1256384080000
+ 31409602 × 700000 that is equal 21986721400000
+ 31409602 × 9000000 producing 282686418000000
+ 31409602 × 30000000 yielding 942288060000000

= 1248288286494102
