No problem, we've got 7529 and 815 to multiply
7529 × 815 = 815 × (7529)
+ 815 × 9 what gives us 7335
+ 815 × 20 that is equal 16300
+ 815 × 500 producing 407500
+ 815 × 7000 which equals 5705000

= 6136135
