The fifth grade students who participate in the tree planting work can be divided into groups of 12 or 15 people. How many students are there at least in the fifth grade who participate in tree planting? How many
五年级同学参加植树劳动，按12人一组或15人一组都能正好分完，五年级参加植数的同学至少有多少人？多少
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>