There is a circular flower bed in the park with a radius of 50m. Grandma Feng runs around the flower bed 3 times every morning for exercise. How many meters does she run every morning?
公园里有一个圆形花坛，半径50m，冯奶奶每天早上做运动都绕着花坛跑3圈，她每天早晨跑多少米？
<gadget id="calculator">2 * 3.14 * 50 * 3</gadget>
<output>942</output>

<result>942</result>