The cold drink shop shipped a total of 160 boxes of Pepsi and Mirinda, and the number of Mirinda boxes was three times that of Pepsi. How many boxes of Pepsi were shipped?
冷饮店运来百事可乐和美年达一共160箱，美年达的箱数是百事可乐的3倍．运来百事可乐多少箱？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<result>40</result>