Simple calculation: 2.5*(1/4)+2.9/4+2.6*0.25.
简便计算：2.5*(1/4)+2.9/4+2.6*0.25．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2.5 * (1/4)</gadget>
<output>0.625</output>

<gadget id="calculator">2.9 / 4</gadget>
<output>0.725</output>

<gadget id="calculator">2.6 * 0.25</gadget>
<output>0.65</output>

<gadget id="calculator">0.625 + 0.725 + 0.65</gadget>
<output>2</output>

<result>2</result>