No problem, we've got 7840 and 9084 to multiply
7840 × 9084 = 9084 × (7840)
+ 9084 × 0 resulting in 0
+ 9084 × 40 that equals 363360
+ 9084 × 800 resulting in 7267200
+ 9084 × 7000 yielding 63588000

= 71218560
