No problem, we've got 2644 and 5234 to multiply
2644 × 5234 = 5234 × (2644)
+ 5234 × 4 giving us 20936
+ 5234 × 40 giving us 209360
+ 5234 × 600 that equals 3140400
+ 5234 × 2000 producing 10468000

= 13838696
