cow weighs 500 kilograms, how many tons do 8 cows of the same weight weigh?
一头牛重500千克，8头同样的牛重多少吨．
<gadget id="calculator">8 / 1_000</gadget>
<output>1/125 = around 0.008</output>

<gadget id="calculator">500 * (1/125)</gadget>
<output>4</output>

<result>4</result>