Simple operation: 4.44*36+22.2*0.8+44.4.
简便运算：4.44*36+22.2*0.8+44.4．
<gadget id="calculator">4.44 * 36</gadget>
<output>159.84</output>

<gadget id="calculator">22.2 * 0.8</gadget>
<output>17.76</output>

<gadget id="calculator">159.84 + 4.44 + 17.76</gadget>
<output>182.04</output>

<result>182.04</result>