Alright, let's work through 7009 times 815 step by step
7009 × 815 = 815 × (7009)
+ 815 × 9 resulting in 7335
+ 815 × 00 what gives us 0
+ 815 × 000 that equals 0
+ 815 × 7000 giving us 5705000

= 5712335
