The height of a giraffe in the zoo is 6.4 meters, and the height of a gorilla is (1/4) of this giraffe. How tall is the gorilla?
动物园里的一只长颈鹿的身高是6.4米，一只大猩猩的身高是这只长颈鹿的(1/4)，大猩猩高多少米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">6.4 * (1/4)</gadget>
<output>1.6</output>

<result>1.6</result>