A number is first enlarged by 10 times, and then reduced by 100 times to get 0.05. What is this number?
一个数先扩大10倍，再缩小100倍，得0.05，这个数是多少．
<gadget id="calculator">0.05 * 10</gadget>
<output>0.5</output>

<result>0.5</result>