No problem, we've got 4163 and 5258 to multiply
4163 × 5258 = 5258 × (4163)
+ 5258 × 3 which equals 15774
+ 5258 × 60 producing 315480
+ 5258 × 100 producing 525800
+ 5258 × 4000 yielding 21032000

= 21889054
