Alright, let's work through 80871078 times 61959337 step by step
80871078 × 61959337 = 61959337 × (80871078)
+ 61959337 × 8 producing 495674696
+ 61959337 × 70 yielding 4337153590
+ 61959337 × 000 which equals 0
+ 61959337 × 1000 which equals 61959337000
+ 61959337 × 70000 yielding 4337153590000
+ 61959337 × 800000 yielding 49567469600000
+ 61959337 × 0000000 what gives us 0
+ 61959337 × 80000000 giving us 4956746960000000

= 5010718375355286
