A pig weighs 200 kg, and an elephant is 100 kg more than 20 times the weight of the pig. How much does the elephant weigh?
一头猪重200千克，一头大象比这头猪的20倍还多100千克，这头大象重多少千克？
<gadget id="calculator">200 * 20</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 + 100</gadget>
<output>4_100</output>

<result>4_100</result>