No problem, we've got 1390 and 6352 to multiply
1390 × 6352 = 6352 × (1390)
+ 6352 × 0 resulting in 0
+ 6352 × 90 yielding 571680
+ 6352 × 300 what gives us 1905600
+ 6352 × 1000 that equals 6352000

= 8829280
