When a certain number is divided by 3, the remainder is 1, when divided by 5, the remainder is 3, and when divided by 7, the remainder is 5. What is the smallest number?
某数被3除余1，被5除余3，被7除余5，这个数最小是多少．
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

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

<result>103</result>