750 grams is ((())/(())) of 1 kilogram; what is (3/8) of 32; ((())/(())) of (3/7) is (5/21 ).
750克是1千克的((())/(()))；32的(3/8)是多少；(3/7)的((())/(()))是(5/21)．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">32 * (3/8)</gadget>
<output>12</output>

<result>12</result>