No problem, we've got 3612 and 5036 to multiply
3612 × 5036 = 5036 × (3612)
+ 5036 × 2 what gives us 10072
+ 5036 × 10 that equals 50360
+ 5036 × 600 that is equal 3021600
+ 5036 × 3000 which equals 15108000

= 18190032
