No problem, we've got 5638 and 7758 to multiply
5638 × 7758 = 7758 × (5638)
+ 7758 × 8 that equals 62064
+ 7758 × 30 what gives us 232740
+ 7758 × 600 what gives us 4654800
+ 7758 × 5000 resulting in 38790000

= 43739604
