Use 27 small squares to form a large cube. If the surface area of the large cube is 150cm**2, what is the surface area of each small cube?
用27个小正方形拼成一个大正方体，如果大正方体的表面积是150cm**2，每个小正方体的表面积是多少．
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(5/3) * (5/3) * 6</gadget>
<output>50/3 = around 16.666667</output>

<result>50/3 = around 16.666667</result>