How can I simply this formula for google sheets?


How can I simplify this formula?

= SUM (& # 39; DIA1 & # 39 ;! P39, & # 39; DIA2 & # 39 ;! P39, & # 39; DIA3 & # 39 ;! P39, & # 39; DIA4 & # 39 ;! P39, & # 39 ; DAY5 & # 39 ;! P39, & # 39; DAY6 & # 39 ;! P39, & # 39; DAY7 & # 39 ;! P39, & # 39; DAY8 & # 39 ;! P39, & # 39; DAY9 & # 39 ;! P39, & # 39; DAY10 & # 39 ;! P39, & # 39; DAY11 & # 39 ;! P39, & # 39; DAY12 & # 39 ;! P39, & # 39; DAY13 & # 39 ;! P39, & # 39; DAY14 & # 39 ;! P39, & # 39; DAY15 & # 39 ;! P39, & # 39; DAY16 & # 39 ;! P39, & # 39; DAY17 & # 39 ;! P39, & # 39; DAY18 & # 39; ! P39, & # 39; DAY19 & # 39 ;! P39, & # 39; DAY20 & # 39 ;! P39, & # 39; DAY21 & # 39 ;! P39, & # 39; DAY22 & # 39 ;! P39 , & # 39; DAY23 & # 39 ;! P39, & # 39; DAY24 & # 39 ;! P39, & # 39; DAY25 & # 39;! P39, & # 39; DAY26 & # 39 ;! P39, & # 39; DAY27 & # 39 ;! P39, & # 39; DAY28 & # 39 ;! P39, & # 39; DAY29 & # 39 ;! P39, & # 39; DAY30 & # 39 ;! P39, & # 39; DAY31 & # 39; ! P39)

I am trying to get data from multiple sheets on one page to track deals throughout the month and I have to copy, paste and edit the formula. In Excel, this formula would be = SUM (& # 39; DAY1: DAY31 & # 39 ;! P39)

Is there a way to make this easier? Please help!