Solve the equation: 6.8x/(1.8+3)=1.5.
解方程：6.8x/(1.8+3)=1.5．
<gadget id="calculator">1.5 * 1.8</gadget>
<output>2.7</output>

<gadget id="calculator">1.5 * 3</gadget>
<output>4.5</output>

<gadget id="calculator">2.7 + 4.5</gadget>
<output>7.2</output>

<gadget id="calculator">7.2 / 6.8</gadget>
<output>1.058824</output>

<result>1.058824</result>