In the proportion, if the two inner terms of the proportion are reciprocals of each other, and one outer term is 3.6, then what is the other outer term.
在比例里，如果组成比例的两个内项互为倒数，且一个外项是3.6，那么另一个外项是多少．
<gadget id="calculator">1 / 3.6</gadget>
<output>0.277778</output>

<result>0.277778</result>