Every 7 balloons are tied into a bunch, and there is still 5 short of 6 bunches. How many of these balloons are there?
气球每7个扎一束，扎成6束还差5个．这些气球共有多少个？
<gadget id="calculator">7 * 6</gadget>
<output>42</output>

<gadget id="calculator">42 - 5</gadget>
<output>37</output>

<result>37</result>