12/4=3, 12 times 2, 4 divided by 2, what is the quotient.
12/4=3，12乘2，4除以2后，商是多少．
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<result>12</result>