We're going to solve 1580 multiplied by 1265
1580 × 1265 = 1265 × (1580)
+ 1265 × 0 that results in 0
+ 1265 × 80 that is equal 101200
+ 1265 × 500 that equals 632500
+ 1265 × 1000 resulting in 1265000

= 1998700
