A number is first enlarged by 100 times and then reduced by 1000 times. The result is 56.7. What is the original number?
一个数先扩大100倍，再缩小1000倍，结果是56.7，这个数原来是多少．
<gadget id="calculator">56.7 * 10</gadget>
<output>567</output>

<result>567</result>