Calculation: 8*(3.2-2.99/2.3)
计算：8*(3.2-2.99/2.3)
<gadget id="calculator">2.99 / 2.3</gadget>
<output>1.3</output>

<gadget id="calculator">3.2 - 1.3</gadget>
<output>1.9</output>

<gadget id="calculator">8 * 1.9</gadget>
<output>15.2</output>

<result>15.2</result>