Grandma went out for a walk, and it took 18 minutes to walk from the first telegraph pole to the tenth telegraph pole. At this speed, grandma walked for 36 minutes, and she reached the number one telegraph pole.
奶奶出去散步，从第一根电线杆处走到第十根电线杆处共用了18分钟，照这个速度奶奶走了36分钟，她走到了第多少根电线杆处．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">18 / 9</gadget>
<output>2</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">18 + 1</gadget>
<output>19</output>

<result>19</result>