Calculation: (3/8)/(-(9/16))=how much.
计算：(3/8)/(-(9/16))=多少．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">16 / 9</gadget>
<output>16/9 = around 1.777778</output>

<gadget id="calculator">(3/8) * (16/9)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>