When X is greater than 0, compare the results of the two formulas X*(6/7) and X+(6/7): How big is X+
当X大于0时，比较X*(6/7)和X+(6/7)两个算式的结果，：X+多少大
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<result>6/7 = around 0.857143</result>