How many days passed between Dalhousie increasing the demand to 100,000 pounds sterling and the British navy invading Rangoon?
return Dalhousie increasing the  demand to 100,000 pounds sterling ;return the  British navy invading Rangoon ;return day of #1 ;return day of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']