You bought a few apples and pears.  The number of pears are three-fifths of the number of apples, and altogeter you got 240. How many apples did you buy?
240 1 3/5 [OP_ADD] [OP_DIV]
var_a = 240
var_b = 1
var_c = 0.6
var_d = var_b + var_c
var_e = var_a / var_d
print(int(var_e))