Subtract the product of (8/9) and (3/4) from 1, divide the difference by (4/9), what is the quotient?
1减去(8/9)与(3/4)的积，所得的差再除以(4/9)，商是多少？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(8/9) * (3/4)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(1/3) / (4/9)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>