No problem, we've got 7791 and 4379 to multiply
7791 × 4379 = 4379 × (7791)
+ 4379 × 1 which equals 4379
+ 4379 × 90 what gives us 394110
+ 4379 × 700 giving us 3065300
+ 4379 × 7000 giving us 30653000

= 34116789
