No problem, we've got 7770 and 7394 to multiply
7770 × 7394 = 7394 × (7770)
+ 7394 × 0 that equals 0
+ 7394 × 70 what gives us 517580
+ 7394 × 700 giving us 5175800
+ 7394 × 7000 what gives us 51758000

= 57451380
