Meihong store sells washing machines, half of the total number sold in the morning is more than 20 units, and the remaining half sold in the afternoon is less than 20 units, resulting in 105 units left. How many washing machines did Meihong store have?
美红商店出售洗衣机，上午出售总数的一半多20台，下午售出剩下的一半少20台，结果还剩105台，美红商店原有多少台洗衣机？
<gadget id="calculator">105 - 20</gadget>
<output>85</output>

<gadget id="calculator">85 * 2</gadget>
<output>170</output>

<gadget id="calculator">170 + 20</gadget>
<output>190</output>

<gadget id="calculator">190 * 2</gadget>
<output>380</output>

<result>380</result>