Uncle Zhang planted vegetable seedlings in a vegetable greenhouse with a length of 48 meters and a width of 24 meters. Now to lay a layer of plastic sheeting on the vegetable seedlings, how many square meters of plastic sheeting should be bought at least?
张大爷在一个长48米，宽24米的蔬菜大棚里种满蔬菜幼苗．现要在蔬菜幼苗上铺一层塑料布，至少要买多少平方米的塑料塑料布？
<gadget id="calculator">48 * 24</gadget>
<output>1_152</output>

<result>1_152</result>