No problem, we've got 3888 and 9960 to multiply
3888 × 9960 = 9960 × (3888)
+ 9960 × 8 giving us 79680
+ 9960 × 80 that is equal 796800
+ 9960 × 800 that equals 7968000
+ 9960 × 3000 giving us 29880000

= 38724480
