From 1 to 200, how many times is the number "1" used?
从1写到200，数字"1"一共用了多少次．
<gadget id="calculator">200 / 10</gadget>
<output>20</output>

<gadget id="calculator">20 + 20 + 100</gadget>
<output>140</output>

<result>140</result>