A beverage bottle can hold (7/10) liters of orange juice. Xiao Ming drank (5/14) of this bottle of orange juice at one time. How many liters of orange juice did Xiao Ming drink at one time?
一个饮料瓶能装(7/10)升的橙汁，小明一次喝了这瓶橙汁的(5/14)，小明一次喝了多少升橙汁？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">(7/10) * (5/14)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>