The sum of the four numbers A, B, C, and D is 250. Add 4 to A, subtract 4 from B, multiply C by 4, and divide C by 4. The four results are exactly equal, so what is A? ?
甲、乙、丙、丁四个数的和是250，甲数加上4，乙数减去4，丙数乘以4，丙数除以4，四个结果正好相等，那么甲数是多少？
<gadget id="calculator">250 - 4</gadget>
<output>246</output>

<gadget id="calculator">4 + 246</gadget>
<output>250</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + 1 + (1/4) + 4</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">250 / (25/4)</gadget>
<output>40</output>

<gadget id="calculator">40 - 4</gadget>
<output>36</output>

<result>36</result>