Alright, let's work through 89801497 times 74168940 step by step
89801497 × 74168940 = 74168940 × (89801497)
+ 74168940 × 7 which equals 519182580
+ 74168940 × 90 resulting in 6675204600
+ 74168940 × 400 resulting in 29667576000
+ 74168940 × 1000 what gives us 74168940000
+ 74168940 × 00000 giving us 0
+ 74168940 × 800000 that results in 59335152000000
+ 74168940 × 9000000 which equals 667520460000000
+ 74168940 × 80000000 yielding 5933515200000000

= 6660481842903180
