How many years was it from when Razadarit invaded Upper Burma and when Razadarit and Minkhuang I agreed to another truce?
return Razadarit invaded Upper Burma ;return Razadarit and  Minkhuang I agreed to another truce ;return year of #1 ;return year of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']