How many kilograms is (3/10) of 8 kilograms; (3/4) meter is ((())/(())) of (5/6) meter.
8千克的(3/10)是多少千克；(3/4)米是(5/6)米的((())/(()))．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">8 * (3/10)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>