A camel weighs (3/5) tons, which is (1/4) tons heavier than a wild boar. How many tons does a wild boar weigh? (column equation solution)
一只骆驼体重(3/5)吨，比一只野猪重(1/4)吨，一只野猪体重多少吨？(列方程解答)
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/5) - (1/4)</gadget>
<output>7/20 = around 0.35</output>

<result>7/20 = around 0.35</result>