No problem, we've got 9142 and 2175 to multiply
9142 × 2175 = 2175 × (9142)
+ 2175 × 2 that equals 4350
+ 2175 × 40 that equals 87000
+ 2175 × 100 what gives us 217500
+ 2175 × 9000 which equals 19575000

= 19883850
