No problem, we've got 6840 and 9367 to multiply
6840 × 9367 = 9367 × (6840)
+ 9367 × 0 that is equal 0
+ 9367 × 40 yielding 374680
+ 9367 × 800 yielding 7493600
+ 9367 × 6000 that is equal 56202000

= 64070280
