number is 13 more than 215 times 18. What is the number?
一个数比18的215倍多13，这个数是多少．
<gadget id="calculator">18 * 215</gadget>
<output>3_870</output>

<gadget id="calculator">3_870 + 13</gadget>
<output>3_883</output>

<result>3_883</result>