A rope is 2 decimeters long, just enough to wrap around the table twice, what is the circumference of the table in decimeters?
一条绳子长2分米，正好可以绕着桌面围两圈，桌子的周长是多少分米．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<result>1</result>