There are 986 students in Guangming Primary School, 975 trees were planted on the first day, and 175 fewer trees were planted on the second day than on the first day. How many trees were planted in two days?
光明小学有986名学生，第一天植树975棵，第二天比第一天少植树175棵．两天一共植树多少棵？
<gadget id="calculator">975 - 175</gadget>
<output>800</output>

<gadget id="calculator">800 + 975</gadget>
<output>1_775</output>

<result>1_775</result>