No problem, we've got 1770 and 3681 to multiply
1770 × 3681 = 3681 × (1770)
+ 3681 × 0 which equals 0
+ 3681 × 70 that is equal 257670
+ 3681 × 700 that equals 2576700
+ 3681 × 1000 which equals 3681000

= 6515370
