If 3x=2.7, then x+2.56=what.
如果3x=2.7，那么x+2.56=多少．
<gadget id="calculator">2.7 / 3</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 + 2.56</gadget>
<output>3.46</output>

<result>3.46</result>