3-7.14/3.5*1.05．
3-7.14/3.5*1.05．
<gadget id="calculator">7.14 / 3.5</gadget>
<output>2.04</output>

<gadget id="calculator">2.04 * 1.05</gadget>
<output>2.142</output>

<gadget id="calculator">3 - 2.142</gadget>
<output>0.858</output>

<result>0.858</result>