In a subtraction formula, the minuend is 258 more than the subtrahend, and it is known that the subtrahend is 5 times the difference, what is the minuend?
一道减法算式，被减数比减数多258，已知减数是差的5倍，则被减数是多少．
<gadget id="calculator">258 * 5</gadget>
<output>1_290</output>

<gadget id="calculator">1_290 + 258</gadget>
<output>1_548</output>

<result>1_548</result>