The school playground is a rectangle with a length of 50 meters and a width of 35 meters. There is a flower garden with an area of 16 square meters in the middle of the playground. Now we need to pave the area outside the flower garden with cement. How many square meters is the area covered with cement?
学校的操场是一个长方形，长是50米，宽是35米，操场中间有一个面积是16平方米的花圃，现在要把操场花圃以外的地方铺上水泥，铺水泥的面积是多少平方米？
<gadget id="calculator">50 * 35</gadget>
<output>1_750</output>

<gadget id="calculator">1_750 - 16</gadget>
<output>1_734</output>

<result>1_734</result>