The number A is 180, and the number B is (5/6) of the number A. What is the average of the two numbers of A and B?
甲数是180，乙数是甲数的(5/6)，甲乙两数的平均数是多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">180 * (5/6)</gadget>
<output>150</output>

<gadget id="calculator">150 + 180</gadget>
<output>330</output>

<gadget id="calculator">330 / 2</gadget>
<output>165</output>

<result>165</result>