Investigations show that 6 pangolins can kill termites in 42 hectares of woodland. There are 560 hectares of pine forests in the No. 1 forest area of Changqing Forest Farm. How many pangolins should be stocked to protect the forest from termites?
调查表明，6只穿山甲可以消灭42公顷林地的白蚁．常青林场一号林区有560公顷松林，要放养多少只穿山甲才能使树林不受白蚁伤害？
<gadget id="calculator">42 / 6</gadget>
<output>7</output>

<gadget id="calculator">560 / 7</gadget>
<output>80</output>

<result>80</result>