There is a car of beverages, if 3 boxes are counted, 1 box is left; if 5 boxes are counted, 1 box is left; if 7 boxes are counted, 1 box is left. How many cartons are there at least in this car?
有一车饮料，如果3箱一数，还剩1箱；如果5箱一数，也剩1箱；如果7箱一数，也剩1箱．这车饮料至少有多少箱？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

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

<result>106</result>