The number A is 50, and the number B is 3 more than the number A (7/10), what is the number B?
甲数是50，乙数比甲数的(7/10)多3，乙数是多少．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">50 * (7/10)</gadget>
<output>35</output>

<gadget id="calculator">35 + 3</gadget>
<output>38</output>

<result>38</result>