Li Ming and Wang Hua went to the orchard to pick grapes. Li Ming picked 13.5 kilograms, and if Wang Hua picked another 3 kilograms, he would have the same amount as Li Ming. How many kilograms of grapes did Li Ming and Wang Hua pick together?
李明和王华到果园摘葡萄．李明采摘了13.5千克，王华如果再采摘3千克就和李明同样多．李明和王华一共采摘了多少千克葡萄？
<gadget id="calculator">13.5 - 3</gadget>
<output>10.5</output>

<gadget id="calculator">10.5 + 13.5</gadget>
<output>24</output>

<result>24</result>