No problem, we've got 6889 and 945 to multiply
6889 × 945 = 945 × (6889)
+ 945 × 9 that is equal 8505
+ 945 × 80 yielding 75600
+ 945 × 800 which equals 756000
+ 945 × 6000 which equals 5670000

= 6510105
