No problem, we've got 9521 and 7815 to multiply
9521 × 7815 = 7815 × (9521)
+ 7815 × 1 that results in 7815
+ 7815 × 20 yielding 156300
+ 7815 × 500 that is equal 3907500
+ 7815 × 9000 yielding 70335000

= 74406615
