If a number is divided by 4, 7, or 5, the remainder is 1. What is the smallest number?
一个数被4，7，5除都余1，这个数最小是多少？
<gadget id="calculator">4 * 7 * 5</gadget>
<output>140</output>

<gadget id="calculator">140 + 1</gadget>
<output>141</output>

<result>141</result>