Calculation: 2.7*(1/4)-(1/2)*25%-0.2/4.
计算：2.7*(1/4)-(1/2)*25%-0.2/4．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2.7 * (1/4)</gadget>
<output>0.675</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) * (1/4)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">0.2 / 4</gadget>
<output>0.05</output>

<gadget id="calculator">0.675 - (1/8) - 0.05</gadget>
<output>0.5</output>

<result>0.5</result>