If the thickness of 500 sheets of white paper is 50 mm, then how many sheets of white paper have a thickness of 750 mm.
500张白纸的厚度为50毫米，那么多少张白纸的厚度是750毫米．
<gadget id="calculator">50 / 500</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">750 / (1/10)</gadget>
<output>7_500</output>

<result>7_500</result>