4 times the number B is 7 less than 6 times the number A, the number A is 1.5, what is the number B?
乙数的4倍比甲数的6倍少7，甲数是1.5，乙数是多少？
<gadget id="calculator">1.5 * 6</gadget>
<output>9</output>

<gadget id="calculator">9 - 7</gadget>
<output>2</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

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