The area of a triangle is (13/28)dm**2, the height is (26/35)dm, find the length of the base of this triangle.
一个三角形的面积是(13/28)dm**2，高为(26/35)dm，求这个三角形的底边长．
<gadget id="calculator">13 / 28</gadget>
<output>13/28 = around 0.464286</output>

<gadget id="calculator">26 / 35</gadget>
<output>26/35 = around 0.742857</output>

<gadget id="calculator">2 / (26/35)</gadget>
<output>35/13 = around 2.692308</output>

<gadget id="calculator">(13/28) * (35/13)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>