No problem, we've got 7529 and 2791 to multiply
7529 × 2791 = 2791 × (7529)
+ 2791 × 9 what gives us 25119
+ 2791 × 20 producing 55820
+ 2791 × 500 yielding 1395500
+ 2791 × 7000 producing 19537000

= 21013439
