A cube with a side length of 4 cm, if the side length is increased by 3 cm, by how many cubic centimeters is the volume of the cube now greater than the original volume?
一个棱长4厘米的正方体，如果棱长增加3厘米，现在正方体的体积比原来大多少立方厘米？
<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">7 * 7 * 7</gadget>
<output>343</output>

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">343 - 64</gadget>
<output>279</output>

<result>279</result>