The solution of equation 3.5x-0.7=0 is: x=how much.
方程3.5x-0.7=0的解是：x=多少．
<gadget id="calculator">0.7 + 0</gadget>
<output>0.7</output>

<gadget id="calculator">0.7 / 3.5</gadget>
<output>0.2</output>

<result>0.2</result>