No problem, we've got 6635 and 4392 to multiply
6635 × 4392 = 4392 × (6635)
+ 4392 × 5 that results in 21960
+ 4392 × 30 resulting in 131760
+ 4392 × 600 that results in 2635200
+ 4392 × 6000 that equals 26352000

= 29140920
