Uncle Wang wants to cover a rectangular vegetable field with plastic film. The length of this field is 48 meters, and the width is half of the length. How many square meters of plastic film does Uncle Wang need to prepare at least?
王伯伯要为一块长方形的菜地盖上塑料薄膜，这块地的长是48米，宽是长的一半，王伯伯至少要准备多少平方米的塑料薄膜？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">24 * 48</gadget>
<output>1_152</output>

<result>1_152</result>