No problem, we've got 4217 and 1400 to multiply
4217 × 1400 = 1400 × (4217)
+ 1400 × 7 what gives us 9800
+ 1400 × 10 that equals 14000
+ 1400 × 200 which equals 280000
+ 1400 × 4000 that results in 5600000

= 5903800
