Zhang Liang made a cylinder model with a base circumference of 25.12 cm and a height of 20 cm. His classmate Li Qiang made a cone model with a base radius of 4 cm and a height of 40 cm. Then, the volume of the model made by Li Qiang is the same as the volume of the model made by Zhang Liang. (fill in the score)
张亮做了一个底面周长为25.12厘米，高为20厘米的圆柱体模型，他的同学李强做了一个底面半径为4厘米，高为40厘米的圆锥体模型．那么，李强做的模型的体积是张亮做的模型体积的多少．(填分数)
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>