The fat stored in the camel's hump is equivalent to (1/5) of the body weight. A camel weighs 225kg, how much fat is in the hump?
骆驼驼峰中贮藏的脂肪，相当于体重的(1/5)．一头骆驼体重是225㎏，驼峰里含多少脂肪？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">225 * (1/5)</gadget>
<output>45</output>

<result>45</result>