In an oval pool, 14 willow trees are planted in a week, and the distance between every two willow trees is 16 meters. How many meters is this oval pool in a week?
一个椭圆形的水池，一周栽了14棵柳树，每两棵柳树之间的间隔是16米，这个椭圆形的水池一周有多少米长．
<gadget id="calculator">14 * 16</gadget>
<output>224</output>

<result>224</result>