The wholesale price of each kilogram of peanut kernels is 7.62 yuan, and the retail price is 8.9 yuan. Uncle Liu bought 240 kilograms of this kind of peanut kernels at the wholesale price. After selling them at the retail price, how much gross profit can he get in total?
每千克花生仁批发价7.62元，零售价8.9元，刘大伯批发价买进这种花生仁240千克，零售价卖出后，一共可得毛利多少元？
<gadget id="calculator">8.9 - 7.62</gadget>
<output>1.28</output>

<gadget id="calculator">1.28 * 240</gadget>
<output>307.2</output>

<result>307.2</result>