No problem, we've got 1736 and 1621 to multiply
1736 × 1621 = 1621 × (1736)
+ 1621 × 6 what gives us 9726
+ 1621 × 30 resulting in 48630
+ 1621 × 700 resulting in 1134700
+ 1621 × 1000 that equals 1621000

= 2814056
