When Lazy was doing a division calculation, he wrote the dividend 90 as 60. The resulting quotient is less than the correct one 5. What should be the correct quotient.
懒洋洋在做一道除法计算时，把被除数90写成了60．结果得到的商比正确的少5．正确的商应该是多少．
<gadget id="calculator">90 - 60</gadget>
<output>30</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<gadget id="calculator">90 / 6</gadget>
<output>15</output>

<result>15</result>