The quotient of dividing two numbers is 4.5. If the dividend is enlarged by 4 times and the divisor remains the same, what is the quotient?
两数相除的商是4.5，如果被除数扩大4倍，除数不变，商是多少．
<gadget id="calculator">4.5 * 4</gadget>
<output>18</output>

<result>18</result>