In the physical examination, the weight of 6 students was measured, and the weight above 35 kg was recorded as a positive number, and the weight below 35 kg was recorded as a negative number, which was recorded as: +3, -2, +1, +2, + 2, 0, what is their average weight in kilograms.
体检中，测了6位同学的体重，将高于35千克的体重记为正数，低于35千克的体重记为负数，则记为：+3，-2，+1，+2，+2，0，他们的平均体重是多少千克．
<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">1 + 1 + 2 + 2 + 0</gadget>
<output>6</output>

<gadget id="calculator">6 / 6</gadget>
<output>1</output>

<gadget id="calculator">35 + 1</gadget>
<output>36</output>

<result>36</result>