123.35-how many+38.5=69.8.
123.35-多少+38.5=69.8．
<gadget id="calculator">69.8 - 38.5</gadget>
<output>31.3</output>

<gadget id="calculator">123.35 - 31.3</gadget>
<output>92.05</output>

<result>92.05</result>