The perimeter of a trapezoid is 1m, the sum of the upper and lower bases is (3/4)m, the length of one waist is (1/8)m, how many meters is the length of the other waist?
一个梯形的周长是1m，其中上、下底的和是(3/4)m，一条腰长是(1/8)m，另一条腰长是多少米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (3/4) - (1/8)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>