Calculation: (-2**3+-4(1/2))*(1/3)+150%.
计算：(-2**3+-4(1/2))*(1/3)+150%．
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">-(9/2)</gadget>
<output>-9/2 = around -4.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(-9/2) * (1/3)</gadget>
<output>-3/2 = around -1.5</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">8 + (-3/2) + (3/2)</gadget>
<output>8</output>

<result>8</result>