A cow weighs 350 kilograms, and an elephant weighs 9 times more than a cow, 274 kilograms. How much does an elephant weigh?
一头牛重350千克，大象的体重比牛的9倍还多274千克，大象重多少千克？
<gadget id="calculator">350 * 9</gadget>
<output>3_150</output>

<gadget id="calculator">3_150 + 274</gadget>
<output>3_424</output>

<result>3_424</result>