The sum of the lengths of the sides of a cube fuel tank is 7.2 meters, the height of the oil inside is 4 decimeters, and the value of each liter of oil is 4.9 yuan. How much is the total amount of oil in the tank?
一个正方体的油箱的棱长总和是7.2米，里面油的高度是4分米，每升油价值4.9元，油箱内的油共多少元？
<gadget id="calculator">7.2 / 12</gadget>
<output>0.6</output>

<gadget id="calculator">4.9 * 0.6 * 10 * 0.6 * 10 * 4</gadget>
<output>705.6</output>

<result>705.6</result>