A cube with side length 5 is formed by stacking 125 small wooden cubes with side length 1. Then, how many small cubes with edge length 1 can you see at most from one angle.
一个棱长为5的正方体是由125个木制的棱长是1的小正方体堆叠而成的．那么，你从一个角度最多能看到棱长是1的小正方体多少个．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">25 + 20 + 16</gadget>
<output>61</output>

<result>61</result>