Six times of a number is the sum of 10.2 and (39/5), find this number.
一个数的6倍是10.2与(39/5)的和，求这个数．
<gadget id="calculator">39 / 5</gadget>
<output>39/5 = around 7.8</output>

<gadget id="calculator">10.2 + (39/5)</gadget>
<output>18</output>

<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<result>3</result>