A's number (5/9) is 40, B's number is 112 (4/7), A's number is what percentage of B's number?
甲数的(5/9)是40，乙数是112的(4/7)，甲数是乙数的百分之几？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">40 / (5/9)</gadget>
<output>72</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">112 * (4/7)</gadget>
<output>64</output>

<gadget id="calculator">72 / 64</gadget>
<output>9/8 = around 1.125</output>

<result>9/8 = around 1.125</result>