A horse transported 256 kilograms of cargo, and a camel transported twice as much cargo as the horse. How many kilograms of cargo did they transport together?
一匹马运了256千克货物，一匹骆驼运的货物是这匹马的2倍，它俩一共运了多少千克货物？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">256 * 3</gadget>
<output>768</output>

<result>768</result>