The quotient of dividing two numbers is 3.6. What is the quotient if the dividend is doubled and the divisor is reduced to 1/2?
两个数相除的商为3.6，把被除数扩大到原来的2倍，除数缩小到原来的(1/2)，商是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / (1/2)</gadget>
<output>4</output>

<gadget id="calculator">3.6 * 4</gadget>
<output>14.4</output>

<result>14.4</result>