No problem, we've got 9001 and 2164 to multiply
9001 × 2164 = 2164 × (9001)
+ 2164 × 1 which equals 2164
+ 2164 × 00 that results in 0
+ 2164 × 000 resulting in 0
+ 2164 × 9000 producing 19476000

= 19478164
