When the little sloppy calculates 600-□/5, it calculates the subtraction first, and then the division, and the result is 30. What is the correct answer to this question.
小马虎在计算600-□/5时，先计算减法，后计算除法，得到的结果是30．这道题的正确结果是多少．
<gadget id="calculator">30 * 5</gadget>
<output>150</output>

<gadget id="calculator">600 - 150</gadget>
<output>450</output>

<gadget id="calculator">450 / 5</gadget>
<output>90</output>

<gadget id="calculator">600 - 90</gadget>
<output>510</output>

<result>510</result>