No problem, we've got 9225 and 3137 to multiply
9225 × 3137 = 3137 × (9225)
+ 3137 × 5 what gives us 15685
+ 3137 × 20 which equals 62740
+ 3137 × 200 what gives us 627400
+ 3137 × 9000 which equals 28233000

= 28938825
