If the thickness of 500 sheets of white paper is 5 cm, how many sheets of white paper are 45 cm thick?
500张白纸的厚度为5厘米，那么，多少张白纸的厚度是45厘米．
<gadget id="calculator">5 / 500</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">45 / (1/100)</gadget>
<output>4_500</output>

<result>4_500</result>