A book has 186 pages in total, so how many times does the number 1, 3, 5, 7, 9 appear in the page number?
一本书共186页，那么数字1，3，5，7，9在页码中一共出现了多少次．
<gadget id="calculator">93 + 90 + 87</gadget>
<output>270</output>

<result>270</result>