No problem, we've got 1325 and 3643 to multiply
1325 × 3643 = 3643 × (1325)
+ 3643 × 5 producing 18215
+ 3643 × 20 that results in 72860
+ 3643 × 300 what gives us 1092900
+ 3643 × 1000 resulting in 3643000

= 4826975
