The school bought 5 boxes of pens as prizes for "three good students", 12 pens per box, and a total of 240 yuan. How much is the price of the pen?
学校买5盒钢笔当作"三好学生"奖品，每盒12支，一共用去240元．支钢笔的价钱是多少元？
<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">240 / 60</gadget>
<output>4</output>

<result>4</result>