Solve the equation (4.5+x)*3/2=15.
解方程(4.5+x)*3/2=15．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4.5 * (3/2)</gadget>
<output>6.75</output>

<gadget id="calculator">15 - 6.75</gadget>
<output>8.25</output>

<gadget id="calculator">8.25 / (3/2)</gadget>
<output>5.5</output>

<result>5.5</result>