The fourth grade students of Yucai Primary School can be divided into groups of 9 or 8, at least how many students are there in the fourth grade.
育才小学四年级学生可以分为9人一组或8人一组，四年级至少有多少个学生．
<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<result>72</result>