A class of students planned to plant 120 trees. As a result, the first group planted 45 trees, and the second group planted 50 trees. What percentage of the total number were planted by the first and second groups?
某班学生计划植树120棵，结果一组植了45棵，二组植了50棵，一、二组共植了总数的几分之几？
<gadget id="calculator">45 + 50</gadget>
<output>95</output>

<gadget id="calculator">95 / 120</gadget>
<output>19/24 = around 0.791667</output>

<result>19/24 = around 0.791667</result>