The number A is 10 times that of the number B. If the decimal point of the number B is moved two places to the right, it is 4500. What is the number A?
甲数是乙数的10倍，若把乙数的小数点向右移动两位是4500，那么甲数是多少？
<gadget id="calculator">4_500 / 100</gadget>
<output>45</output>

<gadget id="calculator">45 * 10</gadget>
<output>450</output>

<result>450</result>