40% of a number is 64 more than its (2/9), find this number.
一个数的40%比它的(2/9)多64，求这个数．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/5) - (2/9)</gadget>
<output>8/45 = around 0.177778</output>

<gadget id="calculator">64 / (8/45)</gadget>
<output>360</output>

<result>360</result>