A cuboid and a cube have the same volume. It is known that the side length of the cube is 4 decimeters, and the height of the cuboid is 5 decimeters. What is the area of the base of the cuboid in square decimeters?
一个长方体和一个正方体的体积相等，已知正方体的棱长是4分米，长方体的高时5分米，长方体的底面积是多少平方分米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4 * 4 * (4/5)</gadget>
<output>64/5 = around 12.8</output>

<result>64/5 = around 12.8</result>