Calculation: 80.5*2.9+1.95*29.
计算：80.5*2.9+1.95*29．
<gadget id="calculator">80.5 * 2.9</gadget>
<output>233.45</output>

<gadget id="calculator">1.95 * 29</gadget>
<output>56.55</output>

<gadget id="calculator">233.45 + 56.55</gadget>
<output>290</output>

<result>290</result>