The quotient of dividing two numbers is 4.8. If the dividend is enlarged by 20 times and the divisor is reduced by 5 times, what is the quotient?
两数相除商是4.8，如果被除数扩大20倍，除数缩小5倍，商是多少．
<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">4.8 * 100</gadget>
<output>480</output>

<result>480</result>