6 times of x is 1.8 more than its 3 times, find x.
x的6倍比它的3倍多1.8，求x．
<gadget id="calculator">6 - 3</gadget>
<output>3</output>

<gadget id="calculator">1.8 / 3</gadget>
<output>0.6</output>

<result>0.6</result>