Column calculation: 7.5 times of a number is 24 more than 4.5 times of this number, what is this number?
列式计算：一个数的7.5倍比这个数的4.5倍多24，这个数是多少？
<gadget id="calculator">7.5 - 4.5</gadget>
<output>3</output>

<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<result>8</result>