In the hundred numbers from 1-100, how many times does the number 1 appear?
在1-100这一百个数中，数字1出现了多少次．
<gadget id="calculator">1 * 8</gadget>
<output>8</output>

<gadget id="calculator">1 + 10 + 8 + 1</gadget>
<output>20</output>

<result>20</result>