Alright, let's work through 40030230 times 72712427 step by step
40030230 × 72712427 = 72712427 × (40030230)
+ 72712427 × 0 that results in 0
+ 72712427 × 30 yielding 2181372810
+ 72712427 × 200 that results in 14542485400
+ 72712427 × 0000 what gives us 0
+ 72712427 × 30000 resulting in 2181372810000
+ 72712427 × 000000 that equals 0
+ 72712427 × 0000000 producing 0
+ 72712427 × 40000000 resulting in 2908497080000000

= 2910695176668210
