The students arranged a four-layer hollow square array with small red flowers, with 12 flowers on each side of the outermost layer. How many red flowers are there in total?
同学们用小红花排成了一个四层空心方阵，最外层每边12朵，共有红花多少朵？
<gadget id="calculator">12 - 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 4 * 4</gadget>
<output>128</output>

<result>128</result>