What is the difference between 15.05 minus the quotient of 5.05 divided by 0.5? What is the column type.
15.05减去5.05除以0.5的商，差是多少？列式是多少．
<gadget id="calculator">5.05 / 0.5</gadget>
<output>10.1</output>

<gadget id="calculator">15.05 - 10.1</gadget>
<output>4.95</output>

<result>4.95</result>