We're going to solve 1390 multiplied by 1309
1390 × 1309 = 1309 × (1390)
+ 1309 × 0 giving us 0
+ 1309 × 90 that is equal 117810
+ 1309 × 300 which equals 392700
+ 1309 × 1000 producing 1309000

= 1819510
