No problem, we've got 1317 and 1578 to multiply
1317 × 1578 = 1578 × (1317)
+ 1578 × 7 that is equal 11046
+ 1578 × 10 that is equal 15780
+ 1578 × 300 producing 473400
+ 1578 × 1000 that is equal 1578000

= 2078226
