Truly Supermarket sold 85 bottles of "Nongfu Spring" pure water, which is 15 bottles less than 2.5 times of "Quer" drinks. How many bottles of "Quer" drinks were sold? (solution by equation)
信利超市卖出"农夫山泉"纯净水85瓶，比卖出"酷儿"饮料的2.5倍少15瓶，卖出"酷儿"饮料多少瓶？(用方程解)
<gadget id="calculator">85 + 15</gadget>
<output>100</output>

<gadget id="calculator">100 / 2.5</gadget>
<output>40</output>

<result>40</result>