What is the solution of the equation 9x+3*4.5=58.5 x=
方程9x+3*4.5=58.5的解是x=多少
<gadget id="calculator">3 * 4.5</gadget>
<output>13.5</output>

<gadget id="calculator">58.5 - 13.5</gadget>
<output>45</output>

<gadget id="calculator">45 / 9</gadget>
<output>5</output>

<result>5</result>