We're going to solve 9157 multiplied by 2191
9157 × 2191 = 2191 × (9157)
+ 2191 × 7 giving us 15337
+ 2191 × 50 producing 109550
+ 2191 × 100 resulting in 219100
+ 2191 × 9000 which equals 19719000

= 20062987
