Some table tennis balls, if each box contains 6 pieces, can hold 36 boxes. How many boxes can be packed if there are 4 in each box?
一些乒乓球，如果每盒装6个，可以装36盒．如果每盒装4个，可以装几盒？
<gadget id="calculator">36 / 4</gadget>
<output>9</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<result>54</result>