An African lion can weigh up to 400 kg, a rhino can weigh 6 times more than an African lion by 100 kg, and an African elephant can weigh twice as much as a rhino. How many tons does an African elephant weigh?
一头非洲狮的体重可达400千克，一头犀牛的体重比一头非洲狮的6倍还多100千克，一头非洲象的体重可达一头犀牛的2倍．一头非洲象的体重可达多少吨？
<gadget id="calculator">400 * 6</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 + 100</gadget>
<output>2_500</output>

<gadget id="calculator">2 / 1_000</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">2_500 * (1/500)</gadget>
<output>5</output>

<result>5</result>