Calculation: (3/5)/15*(9/10).
计算：(3/5)/15*(9/10)．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 15</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(1/25) * (9/10)</gadget>
<output>9/250 = around 0.036</output>

<result>9/250 = around 0.036</result>