There are 8 teachers participating in tree planting activities on Arbor Day, 56 students are girls, and the number of boys is three times that of girls. How many boys are there? What more questions can you ask? And solve.
植树节参加植树活动的老师有8人，学生中女生56人，男生人数是女生的3倍，男生有多少人？你还能提出什么问题？并解决．
<gadget id="calculator">56 * 3</gadget>
<output>168</output>

<gadget id="calculator">56 + 168</gadget>
<output>224</output>

<result>224</result>