It is known that ((x)/4)=3.5:y, (1/4):y=(1/16):1, then x=how many.
已知((x)/4)=3.5：y，(1/4)：y=(1/16)：1，那么x=多少．
<gadget id="calculator">3.5 / 4</gadget>
<output>0.875</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">0.875 / (1/4)</gadget>
<output>3.5</output>

<result>3.5</result>