No problem, we've got 1328 and 3328 to multiply
1328 × 3328 = 3328 × (1328)
+ 3328 × 8 that is equal 26624
+ 3328 × 20 that equals 66560
+ 3328 × 300 resulting in 998400
+ 3328 × 1000 what gives us 3328000

= 4419584
