There are more volleyballs than footballs (1/5), and 6 fewer footballs than volleyballs. How many volleyballs are there?
排球个数比足球多(1/5)，足球比排球少6个，排球有多少个．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">6 / (1/5)</gadget>
<output>30</output>

<gadget id="calculator">30 + 6</gadget>
<output>36</output>

<result>36</result>