The moon cake factory produced some moon cakes. If each box holds 16 pieces, it can hold exactly 18 boxes; if it can only hold 8 boxes, how many mooncakes must each box hold?
月饼厂生产了一些月饼．如果每盒装16个，正好能装18盒；如果只能装8盒，每盒必须得装多少个月饼？
<gadget id="calculator">18 / 8</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">16 * (9/4)</gadget>
<output>36</output>

<result>36</result>