Eunji read 18 pages of the book on Tuesday, and read more on Wednesday as well. Then she read 23 pages of this book on Thursday, thus reading 60 pages in total for 3 days. How many pages did Eunji read on Wednesday?
60 18 [OP_SUB] 23 [OP_SUB]
var_a = 60
var_b = 18
var_c = var_a - var_b
var_d = 23
var_e = var_c - var_d
print(int(var_e))