A giraffe is 4 meters tall and a goat is shorter (3/4) than the giraffe. How tall is the goat in meters?
一只长颈鹿高4米，一只山羊的身高比长颈鹿矮(3/4)，山羊的身高是多少米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

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

<result>1</result>