No problem, we've got 2713 and 7821 to multiply
2713 × 7821 = 7821 × (2713)
+ 7821 × 3 yielding 23463
+ 7821 × 10 producing 78210
+ 7821 × 700 resulting in 5474700
+ 7821 × 2000 which equals 15642000

= 21218373
