Use one weight of 1 gram, 4 grams, 5 grams, 11 grams, and 13 grams each. The weight can only be placed on the right side of the balance. How many different weights can be weighed on the balance.
用1克、4克、5克、11克、13克砝码各一个，砝码只能放在天平的右边，在天平上可称出多少种不同的重量．
<gadget id="calculator">5 + 8 + 8 + 4 + 1</gadget>
<output>26</output>

<result>26</result>