If the circumference of circle A is 3/4 of the circumference of circle B, then what is the diameter of circle A equal to the diameter of circle B?
如果甲圆周长是圆乙周长的(3/4)，那么甲圆直径是乙圆直径的多少
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>