No problem, we've got 7396 and 7788 to multiply
7396 × 7788 = 7788 × (7396)
+ 7788 × 6 what gives us 46728
+ 7788 × 90 which equals 700920
+ 7788 × 300 which equals 2336400
+ 7788 × 7000 giving us 54516000

= 57600048
