No problem, we've got 1580 and 8237 to multiply
1580 × 8237 = 8237 × (1580)
+ 8237 × 0 which equals 0
+ 8237 × 80 which equals 658960
+ 8237 × 500 that results in 4118500
+ 8237 × 1000 that is equal 8237000

= 13014460
