When Xiaohong multiplied a number by 36, she mistook 6 for 9 and 3 for 5. The result was 1239. What should be the correct result?
小红在做一个数乘以36时，误将6看成9，将3看成5，结果得1239，正确的结果应该是多少．
<gadget id="calculator">1_239 / 59</gadget>
<output>21</output>

<gadget id="calculator">21 * 36</gadget>
<output>756</output>

<result>756</result>