trapezoid has an area of 6.3m**2 and a height of 1.5m, so what is the sum of the upper and lower bases of the trapezoid in m
一个梯形，它的面积是6.3m**2，高1.5m，那么，这个梯形的上底与下底之和是多少m
<gadget id="calculator">2 / 1.5</gadget>
<output>1.333333</output>

<gadget id="calculator">6.3 * 1.333333</gadget>
<output>8.399998</output>

<result>8.399998</result>