(6.15/(5/18)-3.6+4.85*3.6)*0.25-(11/6).
(6.15/(5/18)-3.6+4.85*3.6)*0.25-(11/6)．
<gadget id="calculator">5 / 18</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">6.15 / (5/18)</gadget>
<output>22.14</output>

<gadget id="calculator">22.14 - 3.6</gadget>
<output>18.54</output>

<gadget id="calculator">4.85 * 3.6</gadget>
<output>17.46</output>

<gadget id="calculator">18.54 + 17.46</gadget>
<output>36</output>

<gadget id="calculator">36 * 0.25</gadget>
<output>9</output>

<gadget id="calculator">11 / 6</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">9 - (11/6)</gadget>
<output>43/6 = around 7.166667</output>

<result>43/6 = around 7.166667</result>