No problem, we've got 2820 and 7585 to multiply
2820 × 7585 = 7585 × (2820)
+ 7585 × 0 resulting in 0
+ 7585 × 20 producing 151700
+ 7585 × 800 that results in 6068000
+ 7585 × 2000 that results in 15170000

= 21389700
