A cuboid iron block has a length of 4 decimeters, a width of 3 decimeters, and a height of 5 decimeters. If it is recast into a cylinder with a height of 6 decimeters, what is the area of the base of the cylinder in square decimeters?
一个长方体铁块长为4分米，宽为3分米，高为5分米，把它重新铸成一个高为6分米的圆柱体，这个圆柱体的底面积是多少平方分米？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">4 * 3 * (5/6)</gadget>
<output>10</output>

<result>10</result>