35% of a number is equivalent to (4/9) of 6.3, what is this number?
一个数的35%相当于6.3的(4/9)，这个数是多少？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(4/9) / (7/20)</gadget>
<output>80/63 = around 1.269841</output>

<gadget id="calculator">6.3 * (80/63)</gadget>
<output>8</output>

<result>8</result>