<span> 728-(72*8)=152</span>
<span><span>(728+72):8=100 </span></span>
<span><span><span> 728-(72:8)=719</span></span></span>
<span><span><span><span>728+(72:8)=737</span></span></span></span>
<span><span><span></span></span></span>