How many people go hunting? On average, 6 people get 5 hares, 15 people get 2 deer, and 10 people get 1 wild boar. In the end, each person gets one prey and there are 4 more. Ask the number of people who participated in the hunting. how many?
有若干人去打猎，平均6人猎得5只野兔，15人猎得2只鹿，10人猎得1只野猪，结果最后每人分得一只猎物还多4只，问参加打猎的人数是多少？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) - 1</gadget>
<output>-9/10 = around -0.9</output>

<gadget id="calculator">(5/6) + (2/15) + (-9/10)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">4 / (1/15)</gadget>
<output>60</output>

<result>60</result>