A water jar with a side length of 4 decimeters is filled with water 3 decimeters deep. After an apple is immersed in the jar, the water depth is 35 centimeters. What is the volume of an apple?
一个棱长为4分米的水缸，装有3分米深的水，把一个苹果浸入缸中后，水深为35厘米．苹果的体积是多少？
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">35 - 30</gadget>
<output>5</output>

<gadget id="calculator">40 * 40 * 5</gadget>
<output>8_000</output>

<result>8_000</result>