No problem, we've got 4247 and 5113 to multiply
4247 × 5113 = 5113 × (4247)
+ 5113 × 7 resulting in 35791
+ 5113 × 40 yielding 204520
+ 5113 × 200 what gives us 1022600
+ 5113 × 4000 which equals 20452000

= 21714911
