No problem, we've got 6990 and 9360 to multiply
6990 × 9360 = 9360 × (6990)
+ 9360 × 0 what gives us 0
+ 9360 × 90 that equals 842400
+ 9360 × 900 producing 8424000
+ 9360 × 6000 which equals 56160000

= 65426400
