No problem, we've got 9445 and 2158 to multiply
9445 × 2158 = 2158 × (9445)
+ 2158 × 5 giving us 10790
+ 2158 × 40 giving us 86320
+ 2158 × 400 which equals 863200
+ 2158 × 9000 which equals 19422000

= 20382310
