(3/8) ton is 3 tons.
(3/8)吨是3吨的多少．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/8) / 3</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>