No problem, we've got 4830 and 2187 to multiply
4830 × 2187 = 2187 × (4830)
+ 2187 × 0 that results in 0
+ 2187 × 30 resulting in 65610
+ 2187 × 800 which equals 1749600
+ 2187 × 4000 that is equal 8748000

= 10563210
