No problem, we've got 4394 and 802 to multiply
4394 × 802 = 802 × (4394)
+ 802 × 4 what gives us 3208
+ 802 × 90 which equals 72180
+ 802 × 300 that equals 240600
+ 802 × 4000 giving us 3208000

= 3523988
