Calculation: 1/((1/2)/2.5-(1/2)/5)
计算：1/((1/2)/2.5-(1/2)/5)
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 2.5</gadget>
<output>0.2</output>

<gadget id="calculator">(1/2) / 5</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">0.2 - (1/10)</gadget>
<output>0.1</output>

<gadget id="calculator">1 / 0.1</gadget>
<output>10</output>

<result>10</result>