4.4+4.4*12+13*5.6=how much.
4.4+4.4*12+13*5.6=多少．
<gadget id="calculator">4.4 * 12</gadget>
<output>52.8</output>

<gadget id="calculator">13 * 5.6</gadget>
<output>72.8</output>

<gadget id="calculator">4.4 + 52.8 + 72.8</gadget>
<output>130</output>

<result>130</result>