I bought 8 bookshelves of the same shape. This bookshelf has 5 layers, and each layer can hold 85 books. How many books can I put in my new bookcase?
8 5 [OP_MUL] 85 [OP_MUL]
var_a = 8
var_b = 5
var_c = var_a * var_b
var_d = 85
var_e = var_c * var_d
print(int(var_e))