In a box of chocolate candies, there are 7 pieces of 7 lands and 5 pieces left, 5 pieces of 5 pieces and 3 pieces left, and 3 pieces of 3 lands and 1 piece left. What is the minimum number of candies in this box?
一盒巧克力糖，7个7个地数还余5个，5个5个地数还余3个，3个3个地数还余1个，这盒糖至少有多少个．
<gadget id="calculator">7 * 5 * 3</gadget>
<output>105</output>

<gadget id="calculator">105 - 2</gadget>
<output>103</output>

<result>103</result>