What is the product of the reciprocal of 9 multiplied by (4/5)?
9的倒数乘(4/5)，积是多少？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/9) * (4/5)</gadget>
<output>4/45 = around 0.088889</output>

<result>4/45 = around 0.088889</result>