If 5 times of a number is 300, what is the 8 times of this number?
若一个数的5倍是300，则这个数的8倍是多少．
<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<gadget id="calculator">60 * 8</gadget>
<output>480</output>

<result>480</result>