The fifth grade students are playing games in physical education class. They are divided into groups of 7 or 8. How many students are there at least in the fifth grade?
五年级学生上体育课玩游戏，分成7人一组或8人一组都刚好分完，五年级至少有多少名学生？
<gadget id="calculator">8 * 7</gadget>
<output>56</output>

<result>56</result>