Xiao Ming and Xiao Hong start from point A at the same time, Xiao Ming travels 30 meters to the west, Xiao Hong travels 20 meters to the east, and then they both go towards each other at the same speed. When they meet, in which direction from point A? How far is it from point A?
小明和小红同时从A地出发，小明向西行30米，小红向东行20米，然后两人以相同的速度相向而行．当他们相遇时，在A点的哪个方向？距A点有多远？
<gadget id="calculator">20 + 30</gadget>
<output>50</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<result>5</result>