There are 2180 ballpoint pens. A total of 12 pencil cases are left after organizing pens into 200 pencil cases and 150 pencil cases. Also, there are 30 ballpoint pens left. Find the number of 200 pencil cases.
2180 30 [OP_SUB] 150 12 [OP_MUL] [OP_SUB] 200 150 [OP_SUB] [OP_DIV]
var_a = 2180
var_b = 30
var_c = var_a - var_b
var_d = 150
var_e = 12
var_f = var_d * var_e
var_g = var_c - var_f
var_h = 200
var_i = 150
var_j = var_h - var_i
var_k = var_g / var_j
print(int(var_k))