The students planted trees, divided the number of people who dug holes by 5, and added 6, which happened to be the number of people who watered, and there were 18 people who watered. How many people were digging the pit?
同学们植树，挖坑的人数除以5，再加上6，正好是浇水的人数，浇水的有18人．挖坑的有多少人？
<gadget id="calculator">18 - 6</gadget>
<output>12</output>

<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<result>60</result>