Alright, let's work through 9901 times 8462 step by step
9901 × 8462 = 8462 × (9901)
+ 8462 × 1 what gives us 8462
+ 8462 × 00 what gives us 0
+ 8462 × 900 yielding 7615800
+ 8462 × 9000 that equals 76158000

= 83782262
