No problem, we've got 2188 and 9723 to multiply
2188 × 9723 = 9723 × (2188)
+ 9723 × 8 which equals 77784
+ 9723 × 80 which equals 777840
+ 9723 × 100 what gives us 972300
+ 9723 × 2000 that results in 19446000

= 21273924
