Alright, let's work through 98720159 times 75537319 step by step
98720159 × 75537319 = 75537319 × (98720159)
+ 75537319 × 9 that results in 679835871
+ 75537319 × 50 what gives us 3776865950
+ 75537319 × 100 yielding 7553731900
+ 75537319 × 0000 that equals 0
+ 75537319 × 20000 producing 1510746380000
+ 75537319 × 700000 resulting in 52876123300000
+ 75537319 × 8000000 producing 604298552000000
+ 75537319 × 90000000 yielding 6798358710000000

= 7457056142113721
