Add 4.5 to the product of 1.5 and 5, divide the difference between the smallest two-digit number and the smallest composite number, what is the quotient?
4.5加上1.5与5的积，除最小的两位数与最小合数的差，商是多少？
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">1.5 * 5</gadget>
<output>7.5</output>

<gadget id="calculator">4.5 + 7.5</gadget>
<output>12</output>

<gadget id="calculator">6 / 12</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>