No problem, we've got 1436 and 4280 to multiply
1436 × 4280 = 4280 × (1436)
+ 4280 × 6 producing 25680
+ 4280 × 30 that is equal 128400
+ 4280 × 400 what gives us 1712000
+ 4280 × 1000 what gives us 4280000

= 6146080
