No problem, we've got 8320 and 7673 to multiply
8320 × 7673 = 7673 × (8320)
+ 7673 × 0 that equals 0
+ 7673 × 20 producing 153460
+ 7673 × 300 what gives us 2301900
+ 7673 × 8000 producing 61384000

= 63839360
