stationery store owner bought 33 pens for 462 yuan. If the money he wants to earn is at least 132 yuan, please do the math for him. What is the minimum price of each pen?
一个文具店店主用462元买进了33支钢笔，如果他想赚的钱至少是132元，请你帮他算一算，每支钢笔的售价至少是多少元？
<gadget id="calculator">462 + 132</gadget>
<output>594</output>

<gadget id="calculator">594 / 33</gadget>
<output>18</output>

<result>18</result>