When the little sloppy was calculating a decimal subtraction, he mistook the subtrahend 7.2 as 0.72, and the result difference was 23.6. What is the correct result?
小马虎在计算一道小数减法时，把减数7.2错看成了0.72，结果差为23.6，正确的结果是多少？
<gadget id="calculator">0.72 - 7.2</gadget>
<output>-6.48</output>

<gadget id="calculator">23.6 + (-6.48)</gadget>
<output>17.12</output>

<result>17.12</result>