There are two cylinders with the same base area, the ratio of the height of the first cylinder to the second cylinder is 4:7. The volume of the first cylinder is 2.4 cubic centimeters. How much more cubic centimeters does the second cylinder have than the first?
有两个底面积相等的圆柱，第一个圆柱和第二个圆柱的高的比是4：7．第一个圆柱的体积是2.4立方厘米，第二个圆柱的体积比第一个多多少立方厘米？
<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">2.4 * (7/4)</gadget>
<output>4.2</output>

<gadget id="calculator">4.2 - 2.4</gadget>
<output>1.8</output>

<result>1.8</result>