The school playground is 80 meters long and 20 meters wide. Then how many laps does Xiao Ming have to run to be exactly 1 kilometer.
学校操场长80米，宽20米．那么小明要跑多少圈才正好是1千米．
<gadget id="calculator">80 + 20</gadget>
<output>100</output>

<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

<gadget id="calculator">1 * 5</gadget>
<output>5</output>

<result>5</result>