In a proportional equation, the two outer terms are 1.25 and 1.6, one of the two inner terms is 0.25, what is the other?
在一个比例等式中，两个外项是1.25和1.6，两个內项其中一个是0.25，另一个是多少？
<gadget id="calculator">1.6 / 0.25</gadget>
<output>6.4</output>

<gadget id="calculator">1.25 * 6.4</gadget>
<output>8</output>

<result>8</result>