25 people participated in the tree planting activity, and a total of 125 trees were planted. Later, 8 more people joined in. Assuming that each person planted trees at the same speed, how many trees can be planted in total? (Solve with ratio)
25人参加植树活动，共种树125棵．后来又有8人加入，假设每人种树速度不变，一共可以种树多少棵？(用比例解)
<gadget id="calculator">125 / 25</gadget>
<output>5</output>

<gadget id="calculator">5 * 25</gadget>
<output>125</output>

<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">125 + 40</gadget>
<output>165</output>

<result>165</result>