The ratio of number A to number B is equal to 6:5, then (2/3) of number A is equal to the number of B
甲数与乙数的比等于6：5，那么甲数的(2/3)等于乙数的多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 * (2/3)</gadget>
<output>4</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>