The cafeteria bought a bag of rice weighing 400 kilograms and ate it (5/8). How many kilograms did you eat?
食堂买来一袋大米，重400千克，吃了(5/8)，问吃了多少千克？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">400 * (5/8)</gadget>
<output>250</output>

<result>250</result>