What is the quotient of 8 times the difference between 37 and 16 divided by 12?
37与16的差的8倍除以12，商是多少？
<gadget id="calculator">8 / 12</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">21 * (2/3)</gadget>
<output>14</output>

<result>14</result>