A natural number has a remainder of 7 when divided by 10, 4 when divided by 7, and 1 when divided by 4. What is this natural number?
一个自然数，被10除余7，被7除余4，被4除余1，这个自然数是多少？
<gadget id="calculator">2 * 2 * 5 * 7</gadget>
<output>140</output>

<gadget id="calculator">140 - 3</gadget>
<output>137</output>

<result>137</result>