The heights of the three students in the baseball team of Panyu Primary School of the High School Attached to China Normal University are 140 cm, 130 cm, and 120 cm respectively. What is the average height of the three students in the baseball team?
华师附中番禺小学棒球队的三名同学的身高分别是140厘米、130厘米、120厘米，棒球队三名同学的平均身高是多少厘米？
<gadget id="calculator">140 + 130 + 120</gadget>
<output>390</output>

<gadget id="calculator">390 / 3</gadget>
<output>130</output>

<result>130</result>