If you want to change the operation order of 42+75/5, first calculate the addition, what is the formula.
如果要改变42+75/5的运算顺序，先算加法，算式是多少．
<gadget id="calculator">42 + 75</gadget>
<output>117</output>

<gadget id="calculator">117 / 5</gadget>
<output>117/5 = around 23.4</output>

<result>117/5 = around 23.4</result>