There are three kinds of corn cannons: single-barrel corn cannon, double-barrel corn cannon and three-barrel corn cannon. A single-barreled corn cannon shoots one corn at a time, and can kill 8 zombies; a double-barrel corn cannon shoots 2 corns at a time, and each corn kills 7 zombies; a three-barrel corn cannon shoots 3 corns at a time, and each corn Kill 6 zombies. The corn cannon is fired 5 times and 11 corns are fired, at least how many zombies will be eliminated.
玉米炮有单筒玉米炮、双筒玉米炮、三筒玉米炮三种．单筒玉米炮每次发射一根玉米，可以消灭8个僵尸；双筒玉米炮每次发射2根玉米，每根玉米消灭7个僵尸，三筒玉米炮每次发射3根玉米，每根玉米消灭6个僵尸．玉米炮一共开炮5次发射玉米11根，至少消灭多少个僵尸．
<gadget id="calculator">8 * 1 * 2</gadget>
<output>16</output>

<gadget id="calculator">6 * 3 * 3</gadget>
<output>54</output>

<gadget id="calculator">16 + 54</gadget>
<output>70</output>

<result>70</result>