No problem, we've got 9234 and 2188 to multiply
9234 × 2188 = 2188 × (9234)
+ 2188 × 4 giving us 8752
+ 2188 × 30 what gives us 65640
+ 2188 × 200 that equals 437600
+ 2188 × 9000 which equals 19692000

= 20203992
