A rectangular piece of land is 80 meters long and 3/4 long (3/4) wide. What is the area of this piece of land in square meters?
一块长方形地，长是80米，宽是长的(3/4)，这块地的面积是多少平方米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">80 * (3/4)</gadget>
<output>60</output>

<gadget id="calculator">80 * 60</gadget>
<output>4_800</output>

<result>4_800</result>