No problem, we've got 1335 and 4109 to multiply
1335 × 4109 = 4109 × (1335)
+ 4109 × 5 which equals 20545
+ 4109 × 30 that is equal 123270
+ 4109 × 300 that equals 1232700
+ 4109 × 1000 giving us 4109000

= 5485515
