With the money Mr. Wang brought to buy 5 yuan a pen, you can buy 72 pens. If you use this money to buy 6 yuan a pen, how many pens can you buy?
王老师带的钱买5元一支的钢笔刚好可以买72只，如果用这些钱买6元一支的钢笔可以买多少支？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">72 * (5/6)</gadget>
<output>60</output>

<result>60</result>