The base of a triangle is (4/7) meters and the height is (3/4) of the base. What is the area of the triangle in square meters?
一个三角形的底是(4/7)米，高是底的(3/4)，这个三角形的面积是多少平方米．
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 2</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(4/7) * (4/7) * (3/8)</gadget>
<output>6/49 = around 0.122449</output>

<result>6/49 = around 0.122449</result>