Using 210 small cubes of the same size to form a large cuboid of 5*6*7, how many can a person see at most?
用210个大小相同的小正方体拼成一个5*6*7的大长方体，一个人最多能看到多少个？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<gadget id="calculator">30 + 35 + 42</gadget>
<output>107</output>

<result>107</result>