The pasture used to have 50 more cows than cattle, but this year there are 70 more cows and 110 cattle. Are there more dairy cows or more scalpers? How many heads?
牧场原来奶牛比黄牛多50头，今年又增加了70头奶牛和110头黄牛．现在是奶牛多还是黄牛多？多多少头？
<gadget id="calculator">110 - 70</gadget>
<output>40</output>

<gadget id="calculator">50 - 40</gadget>
<output>10</output>

<result>10</result>