Alright, let's work through 87961008 times 57429071 step by step
87961008 × 57429071 = 57429071 × (87961008)
+ 57429071 × 8 resulting in 459432568
+ 57429071 × 00 which equals 0
+ 57429071 × 000 that equals 0
+ 57429071 × 1000 yielding 57429071000
+ 57429071 × 60000 what gives us 3445744260000
+ 57429071 × 900000 yielding 51686163900000
+ 57429071 × 7000000 which equals 402003497000000
+ 57429071 × 80000000 that is equal 4594325680000000

= 5051518973663568
