The shopping mall sold 182 washing machines in the first month, the same as the first month in the second month, and 158 in the third month. How many washing machines are sold in an average month?
商场第一个月卖出182台洗衣机，第二个月与第一个月相同，第三个卖出158台，平均每月卖出多少台洗衣机？
<gadget id="calculator">182 + 182 + 158</gadget>
<output>522</output>

<gadget id="calculator">522 / 3</gadget>
<output>174</output>

<result>174</result>