Alright, let's work through 99746567 times 91131237 step by step
99746567 × 91131237 = 91131237 × (99746567)
+ 91131237 × 7 giving us 637918659
+ 91131237 × 60 which equals 5467874220
+ 91131237 × 500 that results in 45565618500
+ 91131237 × 6000 which equals 546787422000
+ 91131237 × 40000 giving us 3645249480000
+ 91131237 × 700000 giving us 63791865900000
+ 91131237 × 9000000 that results in 820181133000000
+ 91131237 × 90000000 giving us 8201811330000000

= 9090028037213379
