No problem, we've got 9002 and 7139 to multiply
9002 × 7139 = 7139 × (9002)
+ 7139 × 2 that equals 14278
+ 7139 × 00 giving us 0
+ 7139 × 000 yielding 0
+ 7139 × 9000 what gives us 64251000

= 64265278
