A pitcher's earned-run average E varies directly as the number R of earned runs allowed and inversely as the number I of innings pitched. In 2010, Bronson Arroyo of the Cincinnati Reds had an earned-run average of 3.89. He gave up 93 earned runs in 215.2 innings. How many earned runs would he have given up had he pitched 238 innings with the same average? Round to the nearest whole number.