(1-(1/2))*(2-(2/3))*(3-(3/4)*…*(8-(8/9))*(9-(9/10) ).
(1-(1/2))*(2-(2/3))*(3-(3/4))*…*(8-(8/9))*(9-(9/10))．
<gadget id="calculator">3 * 4 * 6 * 7 * 8 * 9</gadget>
<output>36_288</output>

<result>36_288</result>