A circle of trees is planted around the pond, and every two trees are 4 meters apart. A and B start from the same tree at the same time and walk in opposite directions. When they meet, A walks 46 meters and B walks 54 meters. How many circle trees are there in total?
池塘的四周栽了一圈树，每两棵树相隔4米，甲、乙两人同时从同一棵树出发，反向而行，相遇时甲走了46米，乙走了54米，则这圈树共有多少棵．
<gadget id="calculator">46 + 54</gadget>
<output>100</output>

<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<result>25</result>