There are 4 bags of candies, and the sum of any 3 bags is more than 90 pieces, then how many pieces of the sum of these 4 bags of candies are at least.
有4袋糖块，其中任意3袋的总和都超过90块，那么这4袋糖块的总和最少有多少块．
<gadget id="calculator">90 / 3</gadget>
<output>30</output>

<gadget id="calculator">30 + 30 + 31 + 31</gadget>
<output>122</output>

<result>122</result>