No problem, we've got 6825 and 1978 to multiply
6825 × 1978 = 1978 × (6825)
+ 1978 × 5 producing 9890
+ 1978 × 20 which equals 39560
+ 1978 × 800 producing 1582400
+ 1978 × 6000 producing 11868000

= 13499850
