A batch of parts is divided among 3, 5, and 7 masters on average, and there is only 1 left. This batch of parts is between 100 and 110. How many parts are there in this batch?
一批零件平均分给3个、5个、7个师傅做都剩1个，这批零件在100～110之间，请问这批零件有多少个？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

<gadget id="calculator">105 + 1</gadget>
<output>106</output>

<result>106</result>