Alright, let's work through 90710699 times 29942216 step by step
90710699 × 29942216 = 29942216 × (90710699)
+ 29942216 × 9 resulting in 269479944
+ 29942216 × 90 what gives us 2694799440
+ 29942216 × 600 what gives us 17965329600
+ 29942216 × 0000 yielding 0
+ 29942216 × 10000 that results in 299422160000
+ 29942216 × 700000 that is equal 20959551200000
+ 29942216 × 0000000 yielding 0
+ 29942216 × 90000000 giving us 2694799440000000

= 2716079342968984
