How do i compute the gross profit margin ratio with this information?

2014 66,001 2015 74,989 $ $ Google Inc. CONSOLIDATED STATEMENTS OF INCOME (In millions) Year Ended December 31 2013 55,519 Revenues Costs and expenses 21,993 Cost of revenues 7,137 Research and development 6,554 Sales and marketing 4,432 General and administrative 40,116 Total costs and expenses 15.403 Income from operations 496 Other income (expense), net 15,899 Income from continuing operations before income taxes 2,739 Provision for income taxes 13,160 Net income from continuing operations (427) Net income (los) from discontinued operations 12.733 Net income 0 Less: Adjustment Payment to Class C capital stockholders $ 12.733 Net income available to all stockholders 25,691 9,832 8.131 5.851 49,505 16,496 763 17,259 3.619 13,620 516 14,136 28,164 12,282 9.047 6,136 55,629 19,360 291 19,651 3,303 16,348 $ 16,348 S S 14,136 $ 15.826