The number 1.4 more than 5 times x is 2.55, find x.
比x的5倍多1.4的数是2.55，求x．
<gadget id="calculator">2.55 - 1.4</gadget>
<output>1.15</output>

<gadget id="calculator">1.15 / 5</gadget>
<output>0.23</output>

<result>0.23</result>