Alright, let's work through 40070110 times 80915742 step by step
40070110 × 80915742 = 80915742 × (40070110)
+ 80915742 × 0 that is equal 0
+ 80915742 × 10 giving us 809157420
+ 80915742 × 100 that equals 8091574200
+ 80915742 × 0000 that equals 0
+ 80915742 × 70000 that results in 5664101940000
+ 80915742 × 000000 that results in 0
+ 80915742 × 0000000 that results in 0
+ 80915742 × 40000000 that is equal 3236629680000000

= 3242302682671620
