No problem, we've got 1235 and 1687 to multiply
1235 × 1687 = 1687 × (1235)
+ 1687 × 5 yielding 8435
+ 1687 × 30 which equals 50610
+ 1687 × 200 what gives us 337400
+ 1687 × 1000 resulting in 1687000

= 2083445
