No problem, we've got 4149 and 5173 to multiply
4149 × 5173 = 5173 × (4149)
+ 5173 × 9 that equals 46557
+ 5173 × 40 that is equal 206920
+ 5173 × 100 that equals 517300
+ 5173 × 4000 that equals 20692000

= 21462777
