When a number is divided by 5, 7, and 9, the remainder is 3, 4, and 5 respectively. What is the smallest number?
一个数被5、7、9除分别余3、4、5，这个数最小是多少．
<gadget id="calculator">5 * 7 * 9</gadget>
<output>315</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 - 9</gadget>
<output>1</output>

<gadget id="calculator">315 + 1</gadget>
<output>316</output>

<gadget id="calculator">316 / 2</gadget>
<output>158</output>

<result>158</result>