No problem, we've got 1629 and 2173 to multiply
1629 × 2173 = 2173 × (1629)
+ 2173 × 9 producing 19557
+ 2173 × 20 yielding 43460
+ 2173 × 600 what gives us 1303800
+ 2173 × 1000 that results in 2173000

= 3539817
