No problem, we've got 1185 and 6090 to multiply
1185 × 6090 = 6090 × (1185)
+ 6090 × 5 what gives us 30450
+ 6090 × 80 resulting in 487200
+ 6090 × 100 that is equal 609000
+ 6090 × 1000 giving us 6090000

= 7216650
