No problem, we've got 1109 and 1390 to multiply
1109 × 1390 = 1390 × (1109)
+ 1390 × 9 that results in 12510
+ 1390 × 00 yielding 0
+ 1390 × 100 producing 139000
+ 1390 × 1000 giving us 1390000

= 1541510
