In the physical education class, 46 students in Class 1 of the third grade are playing ball on the playground. There are 6 students playing each basketball and 8 students playing each volleyball. There are 7 basketballs and volleyballs in total. Q: How many students play volleyball?
体育课上，三年级一班的46名同学都在操场上玩球，每个篮球有6名同学玩，每个排球有8名同学玩，篮球和排球一共有7个．问：玩排球的同学有多少人？
<gadget id="calculator">46 - 42</gadget>
<output>4</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>