3.75*31+62.5*3.1=how much.
3.75*31+62.5*3.1=多少．
<gadget id="calculator">3.75 * 31</gadget>
<output>116.25</output>

<gadget id="calculator">62.5 * 3.1</gadget>
<output>193.75</output>

<gadget id="calculator">116.25 + 193.75</gadget>
<output>310</output>

<result>310</result>