7.816*1.45+2.69*7.816+4.14*2.814．
7.816*1.45+2.69*7.816+4.14*2.814．
<gadget id="calculator">7.816 * 1.45</gadget>
<output>11.3332</output>

<gadget id="calculator">2.69 * 7.816</gadget>
<output>21.02504</output>

<gadget id="calculator">4.14 * 2.814</gadget>
<output>11.64996</output>

<gadget id="calculator">11.3332 + 21.02504 + 11.64996</gadget>
<output>44.0082</output>

<result>44.0082</result>