章 157: Chapter 150 Numbers 42

He said this, puffing out his chest proudly as if to show off how high his IQ was...

Dr. Zhang frowned and nodded, "Ah, yes, very clever, and then?"

The other person, upon receiving the praise, beamed with delight as if awarded a little red flower, and continued, "So I thought of it, at the end of the corridor, there's a control panel that can open all the doors to the wards..."