A cuboid, the areas of three different faces are 35, 15 and 21 square centimeters respectively, and the length, width and height are all prime numbers. What is the volume of this cuboid in cubic centimeters?
一个长方体、不同的三个面的面积分别为35、15和21平方厘米，且长宽高都是素数．这个长方体的体积是多少立方厘米？
<gadget id="calculator">7 * 5 * 3</gadget>
<output>105</output>

<result>105</result>