Calculation: (((1+17)*(1+(17/2))*(1+(17/3))*…*(1+(17/19)))/((1+19)* (1+(19/2))*(1+(19/3))*...*(1+(19/17)))).
计算：(((1+17)*(1+(17/2))*(1+(17/3))*…*(1+(17/19)))/((1+19)*(1+(19/2))*(1+(19/3))*…*(1+(19/17))))．
<gadget id="calculator">18 * 19</gadget>
<output>342</output>

<gadget id="calculator">342 / 342</gadget>
<output>1</output>

<result>1</result>