frog ate 360 pests in 6 days, and a swallow ate 280 pests in 4 days. Who eats more pests every day, swallows or frogs? How many more?
一只青蛙6天吃了360只害虫，一直燕子4天吃了280只害虫．燕子和青蛙平均每天谁吃的害虫多？多多少只？
<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">360 / 6</gadget>
<output>60</output>

<gadget id="calculator">70 - 60</gadget>
<output>10</output>

<result>10</result>