The teacher bought 72 pens for the students, and the total cost was □67.9□. The numbers in these two places are no longer clear. How much do you think this pen costs?
老师给学生买了72支钢笔，共用去□67.9□元钱，这两个□处的数字已经不清楚了，你认为这支钢笔多少元钱．
<gadget id="calculator">367.92 / 72</gadget>
<output>5.11</output>

<result>5.11</result>