Calculate with a simple method: (3/8)+(1/4)+0.625-0.25.
用简便方法计算：(3/8)+(1/4)+0.625-0.25．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">0.625 - 0.25</gadget>
<output>0.375</output>

<gadget id="calculator">(3/8) + (1/4) + 0.375</gadget>
<output>1</output>

<result>1</result>