and B have two TV sets, the price of TV A is (7/8) equal to the price of TV B (6/7), and the price of TV A is less than the price of TV B.
甲乙两台电视机，甲电视机的价格的(7/8)与乙电视机价格的(6/7)相等，甲电视机价格比乙电视机价格少多少．
<gadget id="calculator">49 / 48</gadget>
<output>49/48 = around 1.020833</output>

<gadget id="calculator">(49/48) - 1</gadget>
<output>1/48 = around 0.020833</output>

<result>1/48 = around 0.020833</result>