6X+(1/5)=0.8*1.5.
6X+(1/5)=0.8*1.5．
<gadget id="calculator">0.8 * 1.5</gadget>
<output>1.2</output>

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

<gadget id="calculator">1.2 - (1/5)</gadget>
<output>1</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>