An Asian elephant weighs 6.5 tons, which is 13 times that of a cow. How many tons does this Asian elephant weigh more than this cow?
一头亚洲象重6.5吨，是一头奶牛的13倍，这头亚洲象比这头奶牛重多少吨？
<gadget id="calculator">6.5 / 13</gadget>
<output>0.5</output>

<gadget id="calculator">6.5 - 0.5</gadget>
<output>6</output>

<result>6</result>