There is a rectangular pool with a length of 10 meters and twice its width. There is a square sculpture in the middle with a side length of 2 meters. Find the area of the pool.
有一个长方形水池长10米，是宽的2倍，中间有一座正方形雕塑，边长2米，求水池的面积．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">50 - 4</gadget>
<output>46</output>

<result>46</result>