No problem, we've got 2450 and 6615 to multiply
2450 × 6615 = 6615 × (2450)
+ 6615 × 0 what gives us 0
+ 6615 × 50 that equals 330750
+ 6615 × 400 that equals 2646000
+ 6615 × 2000 producing 13230000

= 16206750
