The small animals are going to compete in a mountain climbing competition. They have to run 525 meters uphill, and 84 meters less than uphill. How many meters will they run in total?
小动物们要进行爬山比赛，上山要跑525米，下山比上山要少跑84米，全程一共要跑多少米？
<gadget id="calculator">525 - 84</gadget>
<output>441</output>

<gadget id="calculator">525 + 441</gadget>
<output>966</output>

<result>966</result>