There are some candies, 2 yuan more for 3 people on average, 4 yuan more for 5 people on average, 6 yuan more for 7 people on average, how many pieces of these candies are there at least?
有一些糖果，平均分给3个人多2块，平均分给5个人多4块，平均分给7个人多6块，这些糖果最少有多少块？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

<gadget id="calculator">105 - 1</gadget>
<output>104</output>

<result>104</result>