cuboid has a volume of 210 cubic centimeters, a length of 7 centimeters, and a height of 5 centimeters. How wide is it?
长方体的体积是210立方厘米，长7厘米，高是5厘米．它的宽是多少？
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<gadget id="calculator">210 / 35</gadget>
<output>6</output>

<result>6</result>