Sang-jun has 10 more books on economics than a quarter of his total books, 5 fewer books on social studies than 3/5 of the rest, and 12 books on science. If Sang-jun has 13 books that are not economics, social studies, or science, how many books does Sang-jun have in total?
13 12 [OP_ADD] 5 [OP_SUB] 1 3/5 [OP_SUB] [OP_DIV] 10 [OP_ADD] 1 1 4 [OP_DIV] [OP_SUB] [OP_DIV]
var_a = 13
var_b = 12
var_c = var_a + var_b
var_d = 5
var_e = var_c - var_d
var_f = 1
var_g = 0.6
var_h = var_f - var_g
var_i = var_e / var_h
var_j = 10
var_k = var_i + var_j
var_l = 1
var_m = 1
var_n = 4
var_o = var_m / var_n
var_p = var_l - var_o
var_q = var_k / var_p
print(int(var_q))