A community is greening, and the open space is 1200m**2. The area for planting flowers is (7/8) of the area of open space, and the area for planting trees is (4/5) of the area for planting flowers. How many square meters are planted in this community?
某小区进行绿化，其中空地有1200m**2，种花的面积是空地面积的(7/8)，种树面积是种花面积的(4/5)，这个小区种树多少平方米？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_200 * (7/8) * (4/5)</gadget>
<output>840</output>

<result>840</result>