The heights of the four members of the third group are 148 cm, 139 cm, 152 cm, and 161 cm respectively. What is their average height?
第三小组四个队员的身高分别是148厘米、139厘米、152厘米、161厘米．他们的平均身高是多少？
<gadget id="calculator">148 + 139 + 152 + 161</gadget>
<output>600</output>

<gadget id="calculator">600 / 4</gadget>
<output>150</output>

<result>150</result>