No problem, we've got 6575 and 4392 to multiply
6575 × 4392 = 4392 × (6575)
+ 4392 × 5 what gives us 21960
+ 4392 × 70 that equals 307440
+ 4392 × 500 giving us 2196000
+ 4392 × 6000 giving us 26352000

= 28877400
