A cylindrical medicine bottle has a bottom diameter of 1.5 cm and a height of 8 cm. What is its lateral area?
一个圆柱形的药瓶底面直径是1.5cm，高是8cm，它的侧面积是多少．
<gadget id="calculator">3.14 * 1.5 * 8</gadget>
<output>37.68</output>

<result>37.68</result>