The number of A is 1.5 less than 50% of the number of B, the number of A is 3.3, what is the number of B?
甲数比乙数的50%少1.5，甲数是3.3，乙数是多少？
<gadget id="calculator">3.3 + 1.5</gadget>
<output>4.8</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4.8 / (1/2)</gadget>
<output>9.6</output>

<result>9.6</result>