Calculation: 0.8*(3.3-2.99/2.3)
计算：0.8*(3.3-2.99/2.3)
<gadget id="calculator">2.99 / 2.3</gadget>
<output>1.3</output>

<gadget id="calculator">3.3 - 1.3</gadget>
<output>2</output>

<gadget id="calculator">0.8 * 2</gadget>
<output>1.6</output>

<result>1.6</result>