how can i find the operarting margin from the income statement below?

	Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
	Consolidated Statements of Income [Abstract]
	Revenue	$ 5,586,369	$ 4,864,985	$ 4,476,412
	Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
	Food, beverage and packaging	1,847,916	1,600,760	1,535,428
	Labor	1,472,060	1,326,079	1,205,992
	Occupancy	363,072	347,123	327,132
	Gross Expenses	3,683,048	3,273,962	3,068,552
	Gross Income	1,903,321	1,591,023	1,407,860
	Other operating costs	760,831	680,031	651,644
	General and administrative expenses	451,552	375,460	296,388
	Depreciation and amortization	212,778	201,979	163,348
	Pre-opening costs	11,108	8,546	12,341
	Impairment, closure costs, and asset disposals	23,094	66,639	13,345
	Total operating expenses	5,142,411	4,606,617	4,205,618
	Income from operations	443,958	258,368	270,794
	Interest and other income, net	14,327	10,068	4,949
	Income before income taxes	458,285	268,436	275,743
	Provision for income taxes	(108,127)	(91,883)	(99,490)
	Net income	$ 350,158	$ 176,553	$ 176,253
	Earnings per share:
	Basic	$ 12.62	$ 6.35	$ 6.19
	Weighted-average common shares outstanding:
	Basic	27,740	27,823	28,491