When doing a multiplication problem, Kobayashi regarded a factor of 42 as 24, and the result was 360, which is different from the original correct result.
做一道乘法题时，小林把一个因数42看成了24，结果为360，与原来正确的结果相差多少．
<gadget id="calculator">360 / 24</gadget>
<output>15</output>

<gadget id="calculator">15 * 42</gadget>
<output>630</output>

<gadget id="calculator">630 - 360</gadget>
<output>270</output>

<result>270</result>