What is the average of the five numbers 126, 128, 130, 132, and 134?
126、128、130、132、134这五个数的平均数是多少．
<gadget id="calculator">126 + 128 + 130 + 132 + 134</gadget>
<output>650</output>

<gadget id="calculator">650 / 5</gadget>
<output>130</output>

<result>130</result>