For a batch of chocolates, if each box holds 40 pieces, 15 boxes should be packed. There are only 12 boxes now, how many chocolates are packed in each box on average?
一批巧克力，如果每只盒子装40块，要装15盒．现在只有12只盒子，要把这些巧克力装完，平均每只盒子装多少块？
<gadget id="calculator">15 / 12</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">40 * (5/4)</gadget>
<output>50</output>

<result>50</result>