Alright, let's work through 40218031 times 84089935 step by step
40218031 × 84089935 = 84089935 × (40218031)
+ 84089935 × 1 producing 84089935
+ 84089935 × 30 which equals 2522698050
+ 84089935 × 000 that results in 0
+ 84089935 × 8000 which equals 672719480000
+ 84089935 × 10000 resulting in 840899350000
+ 84089935 × 200000 producing 16817987000000
+ 84089935 × 0000000 yielding 0
+ 84089935 × 40000000 giving us 3363597400000000

= 3381931612617985
