No problem, we've got 4963 and 4289 to multiply
4963 × 4289 = 4289 × (4963)
+ 4289 × 3 that is equal 12867
+ 4289 × 60 what gives us 257340
+ 4289 × 900 resulting in 3860100
+ 4289 × 4000 resulting in 17156000

= 21286307
