No problem, we've got 9793 and 2163 to multiply
9793 × 2163 = 2163 × (9793)
+ 2163 × 3 which equals 6489
+ 2163 × 90 yielding 194670
+ 2163 × 700 resulting in 1514100
+ 2163 × 9000 that is equal 19467000

= 21182259
