Both Lili and Mingming are philatelists. Lili collected 240 stamps, which is exactly 75% of the number of stamps collected by Mingming. How many stamps did Mingming collect?
丽丽和明明都是集邮爱好者，丽丽收集了240张邮票，正好是明明收集张数的75%，明明收集了多少张邮票？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">240 / (3/4)</gadget>
<output>320</output>

<result>320</result>