There are 20 red, yellow and blue balls in the pocket, how many balls must be drawn at least to find that the sum of red balls and yellow balls is more than blue balls? The sum of the yellow ball and the blue ball is more than the red ball? The sum of the red ball and the blue ball is more than the yellow ball?
口袋中有红、黄、蓝三种颜色的小球各20个，至少要摸出多少个球，才能摸出红球与黄球的和比蓝球多？黄球与蓝球的和比红球多？红球与蓝球的和比黄球多？
<gadget id="calculator">20 + 21</gadget>
<output>41</output>

<result>41</result>