Solve the equation: 4x/2=(18-x)*6/2.
解方程：4x/2=(18-x)*6/2．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">54 / 5</gadget>
<output>54/5 = around 10.8</output>

<result>54/5 = around 10.8</result>