The store has a batch of washing machines. After selling 38 units, the rest is 3 times the amount sold. How many washing machines did the store originally have?
商店有一批洗衣机．卖出38台后，剩下的是卖出的3倍．商店原来有多少台洗衣机？
<gadget id="calculator">38 * 3</gadget>
<output>114</output>

<gadget id="calculator">114 + 38</gadget>
<output>152</output>

<result>152</result>