There are (3/4) liters in a bottle of shampoo, how many liters are there in 3 bottles of shampoo?
一瓶洗发水有(3/4)升，3瓶洗发水共有多少升．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 3</gadget>
<output>9/4 = around 2.25</output>

<result>9/4 = around 2.25</result>