When two numbers are divided, the quotient is 4.5. If the dividend is enlarged by 10 times and the divisor is reduced by 10 times, what is the quotient?
两数相除，商是4.5，如果被除数扩大10倍，除数缩小10倍，商是多少．
<gadget id="calculator">4.5 * 100</gadget>
<output>450</output>

<result>450</result>