At the sports meeting, there are 85 athletes participating in the 100-meter track and field race. Every 5 people form a group. How many groups can they be divided into?
运动会上，参加田径100米跑的运动员共有85人，每5人为一组，共可分多少组．
<gadget id="calculator">85 / 5</gadget>
<output>17</output>

<result>17</result>