The weight of an elephant is equal to the weight of 5 cows, the weight of a cow is equal to the weight of 2 horses, and the weight of a horse is 200 kg. How many tons does the elephant weigh?
一只大象的体重等于5头牛的体重，一头牛的体重等于2匹马的体重，一匹马的体重是200千克，这只大象的体重是多少吨？
<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">200 * 2 * (1/200)</gadget>
<output>2</output>

<result>2</result>