What is the product of dividing 3 by (2/3) minus 1.5 and multiplying by (4/15)?
3除以(2/3)的商减去1.5，再乘(4/15)，积是多少？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / (2/3)</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">(9/2) - 1.5</gadget>
<output>3</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">3 * (4/15)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>