Xiaoming has 48 extra-curricular books, including Xiaolan's (3/4) and Xiaohong's (6/7). How many books does Xiaohong have more than Xiaolan?
小明有课外书48本，是小兰的(3/4)，是小红的(6/7)，小红比小兰多多少本书？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">48 / (3/4)</gadget>
<output>64</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">48 / (6/7)</gadget>
<output>56</output>

<gadget id="calculator">64 - 56</gadget>
<output>8</output>

<result>8</result>