Xiao Ming ate 5 biscuits, and there is still (3/4) of the total. Do you know how many biscuits Xiao Ming originally had?
小明吃了5块饼干，还剩下总数的(3/4)，你知道小明原来有几块饼干吗？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 / (1/4)</gadget>
<output>20</output>

<result>20</result>