The weight of a horse is 306 kg, and the weight of an elephant is 259 kg less than 4 times the weight of a horse. How much does an elephant weigh?
一匹马的体重是306千克，一头大象的体重比一匹马的体重的4倍少259千克，一头大象的体重是多少千克？
<gadget id="calculator">306 * 4</gadget>
<output>1_224</output>

<gadget id="calculator">1_224 - 259</gadget>
<output>965</output>

<result>965</result>