The store delivered the jacket and trousers. There are 100 pairs of trousers, and the number of trousers is 15 times more than that of jackets. How many coats did the store ship? (Solving problems with equations)
商店运来上衣和裤子．裤子100条，裤子的数量比上衣的5倍多15件．商店运来上衣多少件？(用方程解决问题)
<gadget id="calculator">100 - 15</gadget>
<output>85</output>

<gadget id="calculator">85 / 5</gadget>
<output>17</output>

<result>17</result>