No problem, we've got 7128 and 7790 to multiply
7128 × 7790 = 7790 × (7128)
+ 7790 × 8 resulting in 62320
+ 7790 × 20 what gives us 155800
+ 7790 × 100 that results in 779000
+ 7790 × 7000 resulting in 54530000

= 55527120
