The solution of the equation 0.3*(x-9)=12.75 is x=how much.
方程0.3*(x-9)=12.75的解是x=多少．
<gadget id="calculator">0.3 * 9</gadget>
<output>2.7</output>

<gadget id="calculator">2.7 + 12.75</gadget>
<output>15.45</output>

<gadget id="calculator">15.45 / 0.3</gadget>
<output>51.5</output>

<result>51.5</result>