Alright, let's work through 40271978 times 88935390 step by step
40271978 × 88935390 = 88935390 × (40271978)
+ 88935390 × 8 that results in 711483120
+ 88935390 × 70 that results in 6225477300
+ 88935390 × 900 which equals 80041851000
+ 88935390 × 1000 which equals 88935390000
+ 88935390 × 70000 that is equal 6225477300000
+ 88935390 × 200000 which equals 17787078000000
+ 88935390 × 0000000 giving us 0
+ 88935390 × 40000000 which equals 3557415600000000

= 3581604069501420
