The third-grade students went on a spring outing. 65 people brought water glasses, 90 people brought fruits, and 43 people brought both water glasses and fruits. No one brought neither water glasses nor fruits. How many people participated in the spring outing in the third grade? (Draw a schematic diagram first, then calculate in a row)
三年级同学去春游，带水杯的有65人，带水果的有90人，带水杯又带水果的有43人，没有人既不带水杯也不带水果．三年级参加春游的有多少人？(先画示意图，再列式计算)
<gadget id="calculator">90 - 43</gadget>
<output>47</output>

<gadget id="calculator">65 + 47</gadget>
<output>112</output>

<result>112</result>