A cow weighs 408 kilograms, and an elephant weighs 20 kilograms more than three times that of a cow. How many kilograms does this elephant weigh?
一头牛重408千克，大象的体重比牛的3倍还多20千克，这头大象重多少千克？
<gadget id="calculator">408 * 3</gadget>
<output>1_224</output>

<gadget id="calculator">1_224 + 20</gadget>
<output>1_244</output>

<result>1_244</result>