1.65/5+2.06*(1/5)+1.29*0.2=
1.65/5+2.06*(1/5)+1.29*0.2=
<gadget id="calculator">1.65 / 5</gadget>
<output>0.33</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2.06 * (1/5)</gadget>
<output>0.412</output>

<gadget id="calculator">1.29 * 0.2</gadget>
<output>0.258</output>

<gadget id="calculator">0.33 + 0.412 + 0.258</gadget>
<output>1</output>

<result>1</result>