The appliance store shipped in a batch of air conditioners, half of which were sold on the first day and 4 units were sold the next day, and 46 units were sold the next day, leaving 38 units of air conditioners left. How many air conditioners were there in this batch?
家电商场运进一批空调，第天卖出了一半少4台，第二天又卖出了46，还剩下38台空调．这批空调原来有多少台？
<gadget id="calculator">46 - 4</gadget>
<output>42</output>

<gadget id="calculator">38 + 42</gadget>
<output>80</output>

<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<result>160</result>