Two of the six students in the first group are 124 cm tall, and the other four are all 130 cm tall. What is the average height of this group of students in cm?
第一小组6名同学有2人身高是124厘米，另外4人的身高都是130厘米，这组同学的平均身高是多少厘米？
<gadget id="calculator">2 * 124</gadget>
<output>248</output>

<gadget id="calculator">130 * 4</gadget>
<output>520</output>

<gadget id="calculator">248 + 520</gadget>
<output>768</output>

<gadget id="calculator">768 / 6</gadget>
<output>128</output>

<result>128</result>