A square fish pond is surrounded by a pillar every 6 meters, a total of 10 pillars are inserted, what is the circumference of the fish pond in meters?
一个正方形鱼池，在它的周围每隔6米插一根柱子，一共插了10根，这个鱼池的周长是多少米．
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<result>60</result>