No problem, we've got 1630 and 2347 to multiply
1630 × 2347 = 2347 × (1630)
+ 2347 × 0 what gives us 0
+ 2347 × 30 resulting in 70410
+ 2347 × 600 that equals 1408200
+ 2347 × 1000 giving us 2347000

= 3825610
