The canteen shipped 800 kilograms of rice, and it has been eaten (3/4). How many kilograms have been eaten?
食堂运来800千克大米，已经吃去(3/4)，吃去多少千克？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">800 * (3/4)</gadget>
<output>600</output>

<result>600</result>