No problem, we've got 6534 and 7815 to multiply
6534 × 7815 = 7815 × (6534)
+ 7815 × 4 that equals 31260
+ 7815 × 30 resulting in 234450
+ 7815 × 500 giving us 3907500
+ 7815 × 6000 that equals 46890000

= 51063210
