A glass of milk is 250ml, a bottle of cola is 1 liter, how much is the volume of milk in cola (fill in the fraction)
一杯牛奶250毫升，一瓶可乐1升，牛奶的体积是可乐的多少(填分数)
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">250 / 1_000</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>