There are (3/2)L in a bottle of beverage, and after pouring out (1/3)L, the rest will fill exactly 7 cups, how many liters of beverage are contained in each cup on average?
一瓶饮料有(3/2)L，倒出(1/3)L后，剩余的正好装满7杯，平均每杯装多少升饮料？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(3/2) - (1/3)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">(7/6) / 7</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>