Alright, let's work through 99712542 times 40886012 step by step
99712542 × 40886012 = 40886012 × (99712542)
+ 40886012 × 2 which equals 81772024
+ 40886012 × 40 that results in 1635440480
+ 40886012 × 500 producing 20443006000
+ 40886012 × 2000 that is equal 81772024000
+ 40886012 × 10000 giving us 408860120000
+ 40886012 × 700000 that is equal 28620208400000
+ 40886012 × 9000000 what gives us 367974108000000
+ 40886012 × 90000000 that results in 3679741080000000

= 4076848188762504
