<s>[INST] A man is initially at the point (0,0) on a coordinate plane. He travels 2 units in a northerly direction to the point (0,2). He then travels 7 units in an easterly direction to the point (7,2). He then travels 24 units in a southerly direction to the point (7,−22). If he can only travel in easterly, westerly, northerly, or southerly directions, how many units must he travel to return to his original point of (0,0)?[/INST]